Home / 48,135.60-72,203.40-40,532.40

Finding the Fourth Proportional to 48,135.60, 72,203.40 and 40,532.40

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Solution

The fourth proportional to 48,135.60, 72,203.40 and 40,532.40 is: 60,798.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,135.60 : 72,203.40 = 40,532.40 : x
  2. Step 2: Convert to fraction form
    48,135.60/72,203.40 = 40,532.40/x
  3. Step 3: Cross multiply
    48,135.60x = 72,203.40 × 40,532.40
  4. Step 4: Simplify right side
    48,135.60x = 2,926,577,090.16
  5. Step 5: Solve for x
    x = 2,926,577,090.16/48,135.60
  6. Step 6: Final answer
    x = 60,798.60

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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.