Home / 77,723.16-107,260.38-44,191.32

Finding the Fourth Proportional to 77,723.16, 107,260.38 and 44,191.32

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Solution

The fourth proportional to 77,723.16, 107,260.38 and 44,191.32 is: 60,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,723.16 : 107,260.38 = 44,191.32 : x
  2. Step 2: Convert to fraction form
    77,723.16/107,260.38 = 44,191.32/x
  3. Step 3: Cross multiply
    77,723.16x = 107,260.38 × 44,191.32
  4. Step 4: Simplify right side
    77,723.16x = 4,739,977,775.90
  5. Step 5: Solve for x
    x = 4,739,977,775.90/77,723.16
  6. Step 6: Final answer
    x = 60,985.40

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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.