Home / 81,410.20-122,261.10-59,248.60

Finding the Fourth Proportional to 81,410.20, 122,261.10 and 59,248.60

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Solution

The fourth proportional to 81,410.20, 122,261.10 and 59,248.60 is: 88,979.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,410.20 : 122,261.10 = 59,248.60 : x
  2. Step 2: Convert to fraction form
    81,410.20/122,261.10 = 59,248.60/x
  3. Step 3: Cross multiply
    81,410.20x = 122,261.10 × 59,248.60
  4. Step 4: Simplify right side
    81,410.20x = 7,243,799,009.46
  5. Step 5: Solve for x
    x = 7,243,799,009.46/81,410.20
  6. Step 6: Final answer
    x = 88,979.01

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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.