Home / 91,808.84-137,711.43-60,417.19

Finding the Fourth Proportional to 91,808.84, 137,711.43 and 60,417.19

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Solution

The fourth proportional to 91,808.84, 137,711.43 and 60,417.19 is: 90,624.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,808.84 : 137,711.43 = 60,417.19 : x
  2. Step 2: Convert to fraction form
    91,808.84/137,711.43 = 60,417.19/x
  3. Step 3: Cross multiply
    91,808.84x = 137,711.43 × 60,417.19
  4. Step 4: Simplify right side
    91,808.84x = 8,320,137,631.48
  5. Step 5: Solve for x
    x = 8,320,137,631.48/91,808.84
  6. Step 6: Final answer
    x = 90,624.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.