Home / 73,061.20-109,721.40-56,461.60

Finding the Fourth Proportional to 73,061.20, 109,721.40 and 56,461.60

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Solution

The fourth proportional to 73,061.20, 109,721.40 and 56,461.60 is: 84,792.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,061.20 : 109,721.40 = 56,461.60 : x
  2. Step 2: Convert to fraction form
    73,061.20/109,721.40 = 56,461.60/x
  3. Step 3: Cross multiply
    73,061.20x = 109,721.40 × 56,461.60
  4. Step 4: Simplify right side
    73,061.20x = 6,195,045,798.24
  5. Step 5: Solve for x
    x = 6,195,045,798.24/73,061.20
  6. Step 6: Final answer
    x = 84,792.55

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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.