Home / 70,393.11-97,142.52-38,562.13

Finding the Fourth Proportional to 70,393.11, 97,142.52 and 38,562.13

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Solution

The fourth proportional to 70,393.11, 97,142.52 and 38,562.13 is: 53,215.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,393.11 : 97,142.52 = 38,562.13 : x
  2. Step 2: Convert to fraction form
    70,393.11/97,142.52 = 38,562.13/x
  3. Step 3: Cross multiply
    70,393.11x = 97,142.52 × 38,562.13
  4. Step 4: Simplify right side
    70,393.11x = 3,746,022,484.77
  5. Step 5: Solve for x
    x = 3,746,022,484.77/70,393.11
  6. Step 6: Final answer
    x = 53,215.75

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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.