Home / 99,856.58-137,801.75-59,572.04

Finding the Fourth Proportional to 99,856.58, 137,801.75 and 59,572.04

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Solution

The fourth proportional to 99,856.58, 137,801.75 and 59,572.04 is: 82,209.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,856.58 : 137,801.75 = 59,572.04 : x
  2. Step 2: Convert to fraction form
    99,856.58/137,801.75 = 59,572.04/x
  3. Step 3: Cross multiply
    99,856.58x = 137,801.75 × 59,572.04
  4. Step 4: Simplify right side
    99,856.58x = 8,209,130,376.20
  5. Step 5: Solve for x
    x = 8,209,130,376.20/99,856.58
  6. Step 6: Final answer
    x = 82,209.21

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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.