Home / 65,355.04-98,063.34-45,395.20

Finding the Fourth Proportional to 65,355.04, 98,063.34 and 45,395.20

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Solution

The fourth proportional to 65,355.04, 98,063.34 and 45,395.20 is: 68,114.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,355.04 : 98,063.34 = 45,395.20 : x
  2. Step 2: Convert to fraction form
    65,355.04/98,063.34 = 45,395.20/x
  3. Step 3: Cross multiply
    65,355.04x = 98,063.34 × 45,395.20
  4. Step 4: Simplify right side
    65,355.04x = 4,451,604,931.97
  5. Step 5: Solve for x
    x = 4,451,604,931.97/65,355.04
  6. Step 6: Final answer
    x = 68,114.18

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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.