Home / 93,940.96-129,641.52-51,499.12

Finding the Fourth Proportional to 93,940.96, 129,641.52 and 51,499.12

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Solution

The fourth proportional to 93,940.96, 129,641.52 and 51,499.12 is: 71,070.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,940.96 : 129,641.52 = 51,499.12 : x
  2. Step 2: Convert to fraction form
    93,940.96/129,641.52 = 51,499.12/x
  3. Step 3: Cross multiply
    93,940.96x = 129,641.52 × 51,499.12
  4. Step 4: Simplify right side
    93,940.96x = 6,676,424,195.46
  5. Step 5: Solve for x
    x = 6,676,424,195.46/93,940.96
  6. Step 6: Final answer
    x = 71,070.43

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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.