Home / 79,750.14-110,071.10-45,781.57

Finding the Fourth Proportional to 79,750.14, 110,071.10 and 45,781.57

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Solution

The fourth proportional to 79,750.14, 110,071.10 and 45,781.57 is: 63,187.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,750.14 : 110,071.10 = 45,781.57 : x
  2. Step 2: Convert to fraction form
    79,750.14/110,071.10 = 45,781.57/x
  3. Step 3: Cross multiply
    79,750.14x = 110,071.10 × 45,781.57
  4. Step 4: Simplify right side
    79,750.14x = 5,039,228,021.67
  5. Step 5: Solve for x
    x = 5,039,228,021.67/79,750.14
  6. Step 6: Final answer
    x = 63,187.70

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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.