Home / 99,594.74-137,380.30-59,281.58

Finding the Fourth Proportional to 99,594.74, 137,380.30 and 59,281.58

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Solution

The fourth proportional to 99,594.74, 137,380.30 and 59,281.58 is: 81,772.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,594.74 : 137,380.30 = 59,281.58 : x
  2. Step 2: Convert to fraction form
    99,594.74/137,380.30 = 59,281.58/x
  3. Step 3: Cross multiply
    99,594.74x = 137,380.30 × 59,281.58
  4. Step 4: Simplify right side
    99,594.74x = 8,144,120,409.77
  5. Step 5: Solve for x
    x = 8,144,120,409.77/99,594.74
  6. Step 6: Final answer
    x = 81,772.60

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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.