Home / 92,329.76-127,417.56-56,519.12

Finding the Fourth Proportional to 92,329.76, 127,417.56 and 56,519.12

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Solution

The fourth proportional to 92,329.76, 127,417.56 and 56,519.12 is: 77,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,329.76 : 127,417.56 = 56,519.12 : x
  2. Step 2: Convert to fraction form
    92,329.76/127,417.56 = 56,519.12/x
  3. Step 3: Cross multiply
    92,329.76x = 127,417.56 × 56,519.12
  4. Step 4: Simplify right side
    92,329.76x = 7,201,528,363.75
  5. Step 5: Solve for x
    x = 7,201,528,363.75/92,329.76
  6. Step 6: Final answer
    x = 77,997.91

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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.