Home / 59,088.20-88,640.40-19,641.20

Finding the Fourth Proportional to 59,088.20, 88,640.40 and 19,641.20

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Solution

The fourth proportional to 59,088.20, 88,640.40 and 19,641.20 is: 29,464.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,088.20 : 88,640.40 = 19,641.20 : x
  2. Step 2: Convert to fraction form
    59,088.20/88,640.40 = 19,641.20/x
  3. Step 3: Cross multiply
    59,088.20x = 88,640.40 × 19,641.20
  4. Step 4: Simplify right side
    59,088.20x = 1,741,003,824.48
  5. Step 5: Solve for x
    x = 1,741,003,824.48/59,088.20
  6. Step 6: Final answer
    x = 29,464.49

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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.