Home / 70,349.07-97,072.65-40,132.59

Finding the Fourth Proportional to 70,349.07, 97,072.65 and 40,132.59

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Solution

The fourth proportional to 70,349.07, 97,072.65 and 40,132.59 is: 55,377.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,349.07 : 97,072.65 = 40,132.59 : x
  2. Step 2: Convert to fraction form
    70,349.07/97,072.65 = 40,132.59/x
  3. Step 3: Cross multiply
    70,349.07x = 97,072.65 × 40,132.59
  4. Step 4: Simplify right side
    70,349.07x = 3,895,776,862.66
  5. Step 5: Solve for x
    x = 3,895,776,862.66/70,349.07
  6. Step 6: Final answer
    x = 55,377.80

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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.