Home / 48,724.50-72,875.61-28,686.25

Finding the Fourth Proportional to 48,724.50, 72,875.61 and 28,686.25

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Solution

The fourth proportional to 48,724.50, 72,875.61 and 28,686.25 is: 42,905.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,724.50 : 72,875.61 = 28,686.25 : x
  2. Step 2: Convert to fraction form
    48,724.50/72,875.61 = 28,686.25/x
  3. Step 3: Cross multiply
    48,724.50x = 72,875.61 × 28,686.25
  4. Step 4: Simplify right side
    48,724.50x = 2,090,527,785.17
  5. Step 5: Solve for x
    x = 2,090,527,785.17/48,724.50
  6. Step 6: Final answer
    x = 42,905.06

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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.