Home / 70,342.39-97,068.67-38,505.14

Finding the Fourth Proportional to 70,342.39, 97,068.67 and 38,505.14

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Solution

The fourth proportional to 70,342.39, 97,068.67 and 38,505.14 is: 53,134.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,342.39 : 97,068.67 = 38,505.14 : x
  2. Step 2: Convert to fraction form
    70,342.39/97,068.67 = 38,505.14/x
  3. Step 3: Cross multiply
    70,342.39x = 97,068.67 × 38,505.14
  4. Step 4: Simplify right side
    70,342.39x = 3,737,642,146.36
  5. Step 5: Solve for x
    x = 3,737,642,146.36/70,342.39
  6. Step 6: Final answer
    x = 53,134.99

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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.