Home / 79,342.22-109,484.16-47,510.30

Finding the Fourth Proportional to 79,342.22, 109,484.16 and 47,510.30

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Solution

The fourth proportional to 79,342.22, 109,484.16 and 47,510.30 is: 65,559.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,342.22 : 109,484.16 = 47,510.30 : x
  2. Step 2: Convert to fraction form
    79,342.22/109,484.16 = 47,510.30/x
  3. Step 3: Cross multiply
    79,342.22x = 109,484.16 × 47,510.30
  4. Step 4: Simplify right side
    79,342.22x = 5,201,625,382.39
  5. Step 5: Solve for x
    x = 5,201,625,382.39/79,342.22
  6. Step 6: Final answer
    x = 65,559.36

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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.