Home / 58,442.71-80,613.54-40,531.18

Finding the Fourth Proportional to 58,442.71, 80,613.54 and 40,531.18

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Solution

The fourth proportional to 58,442.71, 80,613.54 and 40,531.18 is: 55,907.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,442.71 : 80,613.54 = 40,531.18 : x
  2. Step 2: Convert to fraction form
    58,442.71/80,613.54 = 40,531.18/x
  3. Step 3: Cross multiply
    58,442.71x = 80,613.54 × 40,531.18
  4. Step 4: Simplify right side
    58,442.71x = 3,267,361,900.18
  5. Step 5: Solve for x
    x = 3,267,361,900.18/58,442.71
  6. Step 6: Final answer
    x = 55,907.09

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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.