Home / 77,742.92-107,293.40-45,914.80

Finding the Fourth Proportional to 77,742.92, 107,293.40 and 45,914.80

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Solution

The fourth proportional to 77,742.92, 107,293.40 and 45,914.80 is: 63,367.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,742.92 : 107,293.40 = 45,914.80 : x
  2. Step 2: Convert to fraction form
    77,742.92/107,293.40 = 45,914.80/x
  3. Step 3: Cross multiply
    77,742.92x = 107,293.40 × 45,914.80
  4. Step 4: Simplify right side
    77,742.92x = 4,926,355,002.32
  5. Step 5: Solve for x
    x = 4,926,355,002.32/77,742.92
  6. Step 6: Final answer
    x = 63,367.25

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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.