Home / 77,708.15-107,233.33-45,870.90

Finding the Fourth Proportional to 77,708.15, 107,233.33 and 45,870.90

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Solution

The fourth proportional to 77,708.15, 107,233.33 and 45,870.90 is: 63,299.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,708.15 : 107,233.33 = 45,870.90 : x
  2. Step 2: Convert to fraction form
    77,708.15/107,233.33 = 45,870.90/x
  3. Step 3: Cross multiply
    77,708.15x = 107,233.33 × 45,870.90
  4. Step 4: Simplify right side
    77,708.15x = 4,918,889,357.10
  5. Step 5: Solve for x
    x = 4,918,889,357.10/77,708.15
  6. Step 6: Final answer
    x = 63,299.53

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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.