Home / 92,541.20-127,707.76-54,301.40

Finding the Fourth Proportional to 92,541.20, 127,707.76 and 54,301.40

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Solution

The fourth proportional to 92,541.20, 127,707.76 and 54,301.40 is: 74,936.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,541.20 : 127,707.76 = 54,301.40 : x
  2. Step 2: Convert to fraction form
    92,541.20/127,707.76 = 54,301.40/x
  3. Step 3: Cross multiply
    92,541.20x = 127,707.76 × 54,301.40
  4. Step 4: Simplify right side
    92,541.20x = 6,934,710,158.86
  5. Step 5: Solve for x
    x = 6,934,710,158.86/92,541.20
  6. Step 6: Final answer
    x = 74,936.46

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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.