Home / 99,577.38-137,353.99-59,261.05

Finding the Fourth Proportional to 99,577.38, 137,353.99 and 59,261.05

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Solution

The fourth proportional to 99,577.38, 137,353.99 and 59,261.05 is: 81,742.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,577.38 : 137,353.99 = 59,261.05 : x
  2. Step 2: Convert to fraction form
    99,577.38/137,353.99 = 59,261.05/x
  3. Step 3: Cross multiply
    99,577.38x = 137,353.99 × 59,261.05
  4. Step 4: Simplify right side
    99,577.38x = 8,139,740,686.01
  5. Step 5: Solve for x
    x = 8,139,740,686.01/99,577.38
  6. Step 6: Final answer
    x = 81,742.87

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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.