Home / 58,891.08-81,299.80-45,432.12

Finding the Fourth Proportional to 58,891.08, 81,299.80 and 45,432.12

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Solution

The fourth proportional to 58,891.08, 81,299.80 and 45,432.12 is: 62,719.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,891.08 : 81,299.80 = 45,432.12 : x
  2. Step 2: Convert to fraction form
    58,891.08/81,299.80 = 45,432.12/x
  3. Step 3: Cross multiply
    58,891.08x = 81,299.80 × 45,432.12
  4. Step 4: Simplify right side
    58,891.08x = 3,693,622,269.58
  5. Step 5: Solve for x
    x = 3,693,622,269.58/58,891.08
  6. Step 6: Final answer
    x = 62,719.55

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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.