Home / 93,728.56-129,345.42-51,287.10

Finding the Fourth Proportional to 93,728.56, 129,345.42 and 51,287.10

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Solution

The fourth proportional to 93,728.56, 129,345.42 and 51,287.10 is: 70,776.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,728.56 : 129,345.42 = 51,287.10 : x
  2. Step 2: Convert to fraction form
    93,728.56/129,345.42 = 51,287.10/x
  3. Step 3: Cross multiply
    93,728.56x = 129,345.42 × 51,287.10
  4. Step 4: Simplify right side
    93,728.56x = 6,633,751,490.08
  5. Step 5: Solve for x
    x = 6,633,751,490.08/93,728.56
  6. Step 6: Final answer
    x = 70,776.20

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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.