Home / 88,387.79-122,016.86-56,575.13

Finding the Fourth Proportional to 88,387.79, 122,016.86 and 56,575.13

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Solution

The fourth proportional to 88,387.79, 122,016.86 and 56,575.13 is: 78,100.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,387.79 : 122,016.86 = 56,575.13 : x
  2. Step 2: Convert to fraction form
    88,387.79/122,016.86 = 56,575.13/x
  3. Step 3: Cross multiply
    88,387.79x = 122,016.86 × 56,575.13
  4. Step 4: Simplify right side
    88,387.79x = 6,903,119,433.82
  5. Step 5: Solve for x
    x = 6,903,119,433.82/88,387.79
  6. Step 6: Final answer
    x = 78,100.37

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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.