Home / 88,691.55-133,075.73-41,920.35

Finding the Fourth Proportional to 88,691.55, 133,075.73 and 41,920.35

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Solution

The fourth proportional to 88,691.55, 133,075.73 and 41,920.35 is: 62,898.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,691.55 : 133,075.73 = 41,920.35 : x
  2. Step 2: Convert to fraction form
    88,691.55/133,075.73 = 41,920.35/x
  3. Step 3: Cross multiply
    88,691.55x = 133,075.73 × 41,920.35
  4. Step 4: Simplify right side
    88,691.55x = 5,578,581,178.11
  5. Step 5: Solve for x
    x = 5,578,581,178.11/88,691.55
  6. Step 6: Final answer
    x = 62,898.68

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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.