Home / 79,117.02-118,677.78-25,808.76

Finding the Fourth Proportional to 79,117.02, 118,677.78 and 25,808.76

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Solution

The fourth proportional to 79,117.02, 118,677.78 and 25,808.76 is: 38,713.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,117.02 : 118,677.78 = 25,808.76 : x
  2. Step 2: Convert to fraction form
    79,117.02/118,677.78 = 25,808.76/x
  3. Step 3: Cross multiply
    79,117.02x = 118,677.78 × 25,808.76
  4. Step 4: Simplify right side
    79,117.02x = 3,062,926,341.35
  5. Step 5: Solve for x
    x = 3,062,926,341.35/79,117.02
  6. Step 6: Final answer
    x = 38,713.87

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1.5x scale

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.