Home / 70,349.46-97,084.70-38,518.58

Finding the Fourth Proportional to 70,349.46, 97,084.70 and 38,518.58

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Solution

The fourth proportional to 70,349.46, 97,084.70 and 38,518.58 is: 53,156.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,349.46 : 97,084.70 = 38,518.58 : x
  2. Step 2: Convert to fraction form
    70,349.46/97,084.70 = 38,518.58/x
  3. Step 3: Cross multiply
    70,349.46x = 97,084.70 × 38,518.58
  4. Step 4: Simplify right side
    70,349.46x = 3,739,564,105.71
  5. Step 5: Solve for x
    x = 3,739,564,105.71/70,349.46
  6. Step 6: Final answer
    x = 53,156.97

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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.