Home / 70,149.36-96,802.56-38,312.16

Finding the Fourth Proportional to 70,149.36, 96,802.56 and 38,312.16

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Solution

The fourth proportional to 70,149.36, 96,802.56 and 38,312.16 is: 52,868.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,149.36 : 96,802.56 = 38,312.16 : x
  2. Step 2: Convert to fraction form
    70,149.36/96,802.56 = 38,312.16/x
  3. Step 3: Cross multiply
    70,149.36x = 96,802.56 × 38,312.16
  4. Step 4: Simplify right side
    70,149.36x = 3,708,715,167.13
  5. Step 5: Solve for x
    x = 3,708,715,167.13/70,149.36
  6. Step 6: Final answer
    x = 52,868.84

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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.