Home / 99,595.71-137,439.18-59,327.37

Finding the Fourth Proportional to 99,595.71, 137,439.18 and 59,327.37

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Solution

The fourth proportional to 99,595.71, 137,439.18 and 59,327.37 is: 81,870.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,595.71 : 137,439.18 = 59,327.37 : x
  2. Step 2: Convert to fraction form
    99,595.71/137,439.18 = 59,327.37/x
  3. Step 3: Cross multiply
    99,595.71x = 137,439.18 × 59,327.37
  4. Step 4: Simplify right side
    99,595.71x = 8,153,905,084.36
  5. Step 5: Solve for x
    x = 8,153,905,084.36/99,595.71
  6. Step 6: Final answer
    x = 81,870.04

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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.