Home / 59,139.90-88,709.85-48,642.30

Finding the Fourth Proportional to 59,139.90, 88,709.85 and 48,642.30

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Solution

The fourth proportional to 59,139.90, 88,709.85 and 48,642.30 is: 72,963.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,139.90 : 88,709.85 = 48,642.30 : x
  2. Step 2: Convert to fraction form
    59,139.90/88,709.85 = 48,642.30/x
  3. Step 3: Cross multiply
    59,139.90x = 88,709.85 × 48,642.30
  4. Step 4: Simplify right side
    59,139.90x = 4,315,051,136.66
  5. Step 5: Solve for x
    x = 4,315,051,136.66/59,139.90
  6. Step 6: Final answer
    x = 72,963.45

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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.