Home / 79,742.64-110,040.90-43,931.70

Finding the Fourth Proportional to 79,742.64, 110,040.90 and 43,931.70

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Solution

The fourth proportional to 79,742.64, 110,040.90 and 43,931.70 is: 60,623.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,742.64 : 110,040.90 = 43,931.70 : x
  2. Step 2: Convert to fraction form
    79,742.64/110,040.90 = 43,931.70/x
  3. Step 3: Cross multiply
    79,742.64x = 110,040.90 × 43,931.70
  4. Step 4: Simplify right side
    79,742.64x = 4,834,283,806.53
  5. Step 5: Solve for x
    x = 4,834,283,806.53/79,742.64
  6. Step 6: Final answer
    x = 60,623.57

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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.