Home / 92,421.59-127,576.28-71,963.15

Finding the Fourth Proportional to 92,421.59, 127,576.28 and 71,963.15

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Solution

The fourth proportional to 92,421.59, 127,576.28 and 71,963.15 is: 99,336.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,421.59 : 127,576.28 = 71,963.15 : x
  2. Step 2: Convert to fraction form
    92,421.59/127,576.28 = 71,963.15/x
  3. Step 3: Cross multiply
    92,421.59x = 127,576.28 × 71,963.15
  4. Step 4: Simplify right side
    92,421.59x = 9,180,790,516.11
  5. Step 5: Solve for x
    x = 9,180,790,516.11/92,421.59
  6. Step 6: Final answer
    x = 99,336.00

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1.5x scale

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.