Home / 60,582.66-90,867.50-21,140.52

Finding the Fourth Proportional to 60,582.66, 90,867.50 and 21,140.52

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Solution

The fourth proportional to 60,582.66, 90,867.50 and 21,140.52 is: 31,708.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,582.66 : 90,867.50 = 21,140.52 : x
  2. Step 2: Convert to fraction form
    60,582.66/90,867.50 = 21,140.52/x
  3. Step 3: Cross multiply
    60,582.66x = 90,867.50 × 21,140.52
  4. Step 4: Simplify right side
    60,582.66x = 1,920,986,201.10
  5. Step 5: Solve for x
    x = 1,920,986,201.10/60,582.66
  6. Step 6: Final answer
    x = 31,708.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.