Home / 56,726.40-84,987.20-46,281.60

Finding the Fourth Proportional to 56,726.40, 84,987.20 and 46,281.60

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Solution

The fourth proportional to 56,726.40, 84,987.20 and 46,281.60 is: 69,338.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,726.40 : 84,987.20 = 46,281.60 : x
  2. Step 2: Convert to fraction form
    56,726.40/84,987.20 = 46,281.60/x
  3. Step 3: Cross multiply
    56,726.40x = 84,987.20 × 46,281.60
  4. Step 4: Simplify right side
    56,726.40x = 3,933,343,595.52
  5. Step 5: Solve for x
    x = 3,933,343,595.52/56,726.40
  6. Step 6: Final answer
    x = 69,338.85

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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.