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Finding the Fourth Proportional to 93,874.32, 129,524.13 and 55,627.29

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Solution

The fourth proportional to 93,874.32, 129,524.13 and 55,627.29 is: 76,752.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,874.32 : 129,524.13 = 55,627.29 : x
  2. Step 2: Convert to fraction form
    93,874.32/129,524.13 = 55,627.29/x
  3. Step 3: Cross multiply
    93,874.32x = 129,524.13 × 55,627.29
  4. Step 4: Simplify right side
    93,874.32x = 7,205,076,341.51
  5. Step 5: Solve for x
    x = 7,205,076,341.51/93,874.32
  6. Step 6: Final answer
    x = 76,752.37

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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.