Home / 92,265.10-127,335.24-56,478.76

Finding the Fourth Proportional to 92,265.10, 127,335.24 and 56,478.76

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Solution

The fourth proportional to 92,265.10, 127,335.24 and 56,478.76 is: 77,946.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,265.10 : 127,335.24 = 56,478.76 : x
  2. Step 2: Convert to fraction form
    92,265.10/127,335.24 = 56,478.76/x
  3. Step 3: Cross multiply
    92,265.10x = 127,335.24 × 56,478.76
  4. Step 4: Simplify right side
    92,265.10x = 7,191,735,822.83
  5. Step 5: Solve for x
    x = 7,191,735,822.83/92,265.10
  6. Step 6: Final answer
    x = 77,946.44

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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.