Home / 48,135.60-72,336.24-42,041.52

Finding the Fourth Proportional to 48,135.60, 72,336.24 and 42,041.52

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Solution

The fourth proportional to 48,135.60, 72,336.24 and 42,041.52 is: 63,178.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,135.60 : 72,336.24 = 42,041.52 : x
  2. Step 2: Convert to fraction form
    48,135.60/72,336.24 = 42,041.52/x
  3. Step 3: Cross multiply
    48,135.60x = 72,336.24 × 42,041.52
  4. Step 4: Simplify right side
    48,135.60x = 3,041,125,480.68
  5. Step 5: Solve for x
    x = 3,041,125,480.68/48,135.60
  6. Step 6: Final answer
    x = 63,178.30

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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.