Home / 59,009.38-81,391.14-57,056.74

Finding the Fourth Proportional to 59,009.38, 81,391.14 and 57,056.74

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Solution

The fourth proportional to 59,009.38, 81,391.14 and 57,056.74 is: 78,697.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,009.38 : 81,391.14 = 57,056.74 : x
  2. Step 2: Convert to fraction form
    59,009.38/81,391.14 = 57,056.74/x
  3. Step 3: Cross multiply
    59,009.38x = 81,391.14 × 57,056.74
  4. Step 4: Simplify right side
    59,009.38x = 4,643,913,113.28
  5. Step 5: Solve for x
    x = 4,643,913,113.28/59,009.38
  6. Step 6: Final answer
    x = 78,697.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.