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Finding the Fourth Proportional to 88,655.01, 122,343.87 and 56,823.88

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Solution

The fourth proportional to 88,655.01, 122,343.87 and 56,823.88 is: 78,416.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,655.01 : 122,343.87 = 56,823.88 : x
  2. Step 2: Convert to fraction form
    88,655.01/122,343.87 = 56,823.88/x
  3. Step 3: Cross multiply
    88,655.01x = 122,343.87 × 56,823.88
  4. Step 4: Simplify right side
    88,655.01x = 6,952,053,204.61
  5. Step 5: Solve for x
    x = 6,952,053,204.61/88,655.01
  6. Step 6: Final answer
    x = 78,416.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.