Home / 48,261.60-72,465.12-39,416.40

Finding the Fourth Proportional to 48,261.60, 72,465.12 and 39,416.40

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Solution

The fourth proportional to 48,261.60, 72,465.12 and 39,416.40 is: 59,183.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,261.60 : 72,465.12 = 39,416.40 : x
  2. Step 2: Convert to fraction form
    48,261.60/72,465.12 = 39,416.40/x
  3. Step 3: Cross multiply
    48,261.60x = 72,465.12 × 39,416.40
  4. Step 4: Simplify right side
    48,261.60x = 2,856,314,155.97
  5. Step 5: Solve for x
    x = 2,856,314,155.97/48,261.60
  6. Step 6: Final answer
    x = 59,183.99

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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.