Home / 65,350.20-97,766.10-56,681.40

Finding the Fourth Proportional to 65,350.20, 97,766.10 and 56,681.40

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Solution

The fourth proportional to 65,350.20, 97,766.10 and 56,681.40 is: 84,797.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,350.20 : 97,766.10 = 56,681.40 : x
  2. Step 2: Convert to fraction form
    65,350.20/97,766.10 = 56,681.40/x
  3. Step 3: Cross multiply
    65,350.20x = 97,766.10 × 56,681.40
  4. Step 4: Simplify right side
    65,350.20x = 5,541,519,420.54
  5. Step 5: Solve for x
    x = 5,541,519,420.54/65,350.20
  6. Step 6: Final answer
    x = 84,797.28

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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.