Home / 99,543.87-137,361.42-59,267.43

Finding the Fourth Proportional to 99,543.87, 137,361.42 and 59,267.43

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Solution

The fourth proportional to 99,543.87, 137,361.42 and 59,267.43 is: 81,783.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,543.87 : 137,361.42 = 59,267.43 : x
  2. Step 2: Convert to fraction form
    99,543.87/137,361.42 = 59,267.43/x
  3. Step 3: Cross multiply
    99,543.87x = 137,361.42 × 59,267.43
  4. Step 4: Simplify right side
    99,543.87x = 8,141,058,344.55
  5. Step 5: Solve for x
    x = 8,141,058,344.55/99,543.87
  6. Step 6: Final answer
    x = 81,783.62

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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.