Home / 91,550.59-137,329.53-28,377.28

Finding the Fourth Proportional to 91,550.59, 137,329.53 and 28,377.28

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Solution

The fourth proportional to 91,550.59, 137,329.53 and 28,377.28 is: 42,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,550.59 : 137,329.53 = 28,377.28 : x
  2. Step 2: Convert to fraction form
    91,550.59/137,329.53 = 28,377.28/x
  3. Step 3: Cross multiply
    91,550.59x = 137,329.53 × 28,377.28
  4. Step 4: Simplify right side
    91,550.59x = 3,897,038,525.08
  5. Step 5: Solve for x
    x = 3,897,038,525.08/91,550.59
  6. Step 6: Final answer
    x = 42,567.05

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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.