Home / 92,172.27-127,207.32-56,386.11

Finding the Fourth Proportional to 92,172.27, 127,207.32 and 56,386.11

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Solution

The fourth proportional to 92,172.27, 127,207.32 and 56,386.11 is: 77,818.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,172.27 : 127,207.32 = 56,386.11 : x
  2. Step 2: Convert to fraction form
    92,172.27/127,207.32 = 56,386.11/x
  3. Step 3: Cross multiply
    92,172.27x = 127,207.32 × 56,386.11
  4. Step 4: Simplify right side
    92,172.27x = 7,172,725,938.33
  5. Step 5: Solve for x
    x = 7,172,725,938.33/92,172.27
  6. Step 6: Final answer
    x = 77,818.70

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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.