Home / 91,600.36-137,423.77-38,283.12

Finding the Fourth Proportional to 91,600.36, 137,423.77 and 38,283.12

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Solution

The fourth proportional to 91,600.36, 137,423.77 and 38,283.12 is: 57,434.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,600.36 : 137,423.77 = 38,283.12 : x
  2. Step 2: Convert to fraction form
    91,600.36/137,423.77 = 38,283.12/x
  3. Step 3: Cross multiply
    91,600.36x = 137,423.77 × 38,283.12
  4. Step 4: Simplify right side
    91,600.36x = 5,261,010,677.76
  5. Step 5: Solve for x
    x = 5,261,010,677.76/91,600.36
  6. Step 6: Final answer
    x = 57,434.39

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1.5x scale

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.