Home / 70,128.56-96,713.30-54,817.13

Finding the Fourth Proportional to 70,128.56, 96,713.30 and 54,817.13

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Solution

The fourth proportional to 70,128.56, 96,713.30 and 54,817.13 is: 75,597.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,128.56 : 96,713.30 = 54,817.13 : x
  2. Step 2: Convert to fraction form
    70,128.56/96,713.30 = 54,817.13/x
  3. Step 3: Cross multiply
    70,128.56x = 96,713.30 × 54,817.13
  4. Step 4: Simplify right side
    70,128.56x = 5,301,545,192.31
  5. Step 5: Solve for x
    x = 5,301,545,192.31/70,128.56
  6. Step 6: Final answer
    x = 75,597.53

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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.