Home / 58,618.20-80,888.18-33,126.78

Finding the Fourth Proportional to 58,618.20, 80,888.18 and 33,126.78

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Solution

The fourth proportional to 58,618.20, 80,888.18 and 33,126.78 is: 45,712.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,618.20 : 80,888.18 = 33,126.78 : x
  2. Step 2: Convert to fraction form
    58,618.20/80,888.18 = 33,126.78/x
  3. Step 3: Cross multiply
    58,618.20x = 80,888.18 × 33,126.78
  4. Step 4: Simplify right side
    58,618.20x = 2,679,564,943.46
  5. Step 5: Solve for x
    x = 2,679,564,943.46/58,618.20
  6. Step 6: Final answer
    x = 45,712.17

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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.