Home / 70,342.28-97,068.66-38,505.08

Finding the Fourth Proportional to 70,342.28, 97,068.66 and 38,505.08

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Solution

The fourth proportional to 70,342.28, 97,068.66 and 38,505.08 is: 53,134.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,342.28 : 97,068.66 = 38,505.08 : x
  2. Step 2: Convert to fraction form
    70,342.28/97,068.66 = 38,505.08/x
  3. Step 3: Cross multiply
    70,342.28x = 97,068.66 × 38,505.08
  4. Step 4: Simplify right side
    70,342.28x = 3,737,636,518.79
  5. Step 5: Solve for x
    x = 3,737,636,518.79/70,342.28
  6. Step 6: Final answer
    x = 53,134.99

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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.