Home / 79,447.18-109,708.27-59,269.02

Finding the Fourth Proportional to 79,447.18, 109,708.27 and 59,269.02

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Solution

The fourth proportional to 79,447.18, 109,708.27 and 59,269.02 is: 81,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,447.18 : 109,708.27 = 59,269.02 : x
  2. Step 2: Convert to fraction form
    79,447.18/109,708.27 = 59,269.02/x
  3. Step 3: Cross multiply
    79,447.18x = 109,708.27 × 59,269.02
  4. Step 4: Simplify right side
    79,447.18x = 6,502,301,422.61
  5. Step 5: Solve for x
    x = 6,502,301,422.61/79,447.18
  6. Step 6: Final answer
    x = 81,844.33

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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.