Home / 78,811.24-108,759.35-43,001.23

Finding the Fourth Proportional to 78,811.24, 108,759.35 and 43,001.23

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Solution

The fourth proportional to 78,811.24, 108,759.35 and 43,001.23 is: 59,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,811.24 : 108,759.35 = 43,001.23 : x
  2. Step 2: Convert to fraction form
    78,811.24/108,759.35 = 43,001.23/x
  3. Step 3: Cross multiply
    78,811.24x = 108,759.35 × 43,001.23
  4. Step 4: Simplify right side
    78,811.24x = 4,676,785,065.20
  5. Step 5: Solve for x
    x = 4,676,785,065.20/78,811.24
  6. Step 6: Final answer
    x = 59,341.60

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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.