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Finding the Fourth Proportional to 88,666.88, 122,376.12 and 52,859.24

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Solution

The fourth proportional to 88,666.88, 122,376.12 and 52,859.24 is: 72,955.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,666.88 : 122,376.12 = 52,859.24 : x
  2. Step 2: Convert to fraction form
    88,666.88/122,376.12 = 52,859.24/x
  3. Step 3: Cross multiply
    88,666.88x = 122,376.12 × 52,859.24
  4. Step 4: Simplify right side
    88,666.88x = 6,468,708,697.35
  5. Step 5: Solve for x
    x = 6,468,708,697.35/88,666.88
  6. Step 6: Final answer
    x = 72,955.19

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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.