Home / 60,986.20-91,384.83-42,302.56

Finding the Fourth Proportional to 60,986.20, 91,384.83 and 42,302.56

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Solution

The fourth proportional to 60,986.20, 91,384.83 and 42,302.56 is: 63,388.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,986.20 : 91,384.83 = 42,302.56 : x
  2. Step 2: Convert to fraction form
    60,986.20/91,384.83 = 42,302.56/x
  3. Step 3: Cross multiply
    60,986.20x = 91,384.83 × 42,302.56
  4. Step 4: Simplify right side
    60,986.20x = 3,865,812,254.16
  5. Step 5: Solve for x
    x = 3,865,812,254.16/60,986.20
  6. Step 6: Final answer
    x = 63,388.31

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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.