Home / 91,915.16-137,884.48-32,756.81

Finding the Fourth Proportional to 91,915.16, 137,884.48 and 32,756.81

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Solution

The fourth proportional to 91,915.16, 137,884.48 and 32,756.81 is: 49,139.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,915.16 : 137,884.48 = 32,756.81 : x
  2. Step 2: Convert to fraction form
    91,915.16/137,884.48 = 32,756.81/x
  3. Step 3: Cross multiply
    91,915.16x = 137,884.48 × 32,756.81
  4. Step 4: Simplify right side
    91,915.16x = 4,516,654,941.99
  5. Step 5: Solve for x
    x = 4,516,654,941.99/91,915.16
  6. Step 6: Final answer
    x = 49,139.39

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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.