Home / 48,139.90-72,149.60-23,173.26

Finding the Fourth Proportional to 48,139.90, 72,149.60 and 23,173.26

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Solution

The fourth proportional to 48,139.90, 72,149.60 and 23,173.26 is: 34,730.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,139.90 : 72,149.60 = 23,173.26 : x
  2. Step 2: Convert to fraction form
    48,139.90/72,149.60 = 23,173.26/x
  3. Step 3: Cross multiply
    48,139.90x = 72,149.60 × 23,173.26
  4. Step 4: Simplify right side
    48,139.90x = 1,671,941,439.70
  5. Step 5: Solve for x
    x = 1,671,941,439.70/48,139.90
  6. Step 6: Final answer
    x = 34,730.89

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1.5x scale

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.