Home / 91,700.51-137,528.89-47,304.41

Finding the Fourth Proportional to 91,700.51, 137,528.89 and 47,304.41

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Solution

The fourth proportional to 91,700.51, 137,528.89 and 47,304.41 is: 70,945.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,700.51 : 137,528.89 = 47,304.41 : x
  2. Step 2: Convert to fraction form
    91,700.51/137,528.89 = 47,304.41/x
  3. Step 3: Cross multiply
    91,700.51x = 137,528.89 × 47,304.41
  4. Step 4: Simplify right side
    91,700.51x = 6,505,722,193.50
  5. Step 5: Solve for x
    x = 6,505,722,193.50/91,700.51
  6. Step 6: Final answer
    x = 70,945.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.