Home / 93,938.90-129,640.65-51,499.22

Finding the Fourth Proportional to 93,938.90, 129,640.65 and 51,499.22

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Solution

The fourth proportional to 93,938.90, 129,640.65 and 51,499.22 is: 71,071.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,938.90 : 129,640.65 = 51,499.22 : x
  2. Step 2: Convert to fraction form
    93,938.90/129,640.65 = 51,499.22/x
  3. Step 3: Cross multiply
    93,938.90x = 129,640.65 × 51,499.22
  4. Step 4: Simplify right side
    93,938.90x = 6,676,392,355.29
  5. Step 5: Solve for x
    x = 6,676,392,355.29/93,938.90
  6. Step 6: Final answer
    x = 71,071.65

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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.