Home / 101,861.23-140,567.13-56,539.10

Finding the Fourth Proportional to 101,861.23, 140,567.13 and 56,539.10

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Solution

The fourth proportional to 101,861.23, 140,567.13 and 56,539.10 is: 78,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,861.23 : 140,567.13 = 56,539.10 : x
  2. Step 2: Convert to fraction form
    101,861.23/140,567.13 = 56,539.10/x
  3. Step 3: Cross multiply
    101,861.23x = 140,567.13 × 56,539.10
  4. Step 4: Simplify right side
    101,861.23x = 7,947,539,019.78
  5. Step 5: Solve for x
    x = 7,947,539,019.78/101,861.23
  6. Step 6: Final answer
    x = 78,023.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.