Home / 79,701.12-110,005.56-60,633.72

Finding the Fourth Proportional to 79,701.12, 110,005.56 and 60,633.72

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Solution

The fourth proportional to 79,701.12, 110,005.56 and 60,633.72 is: 83,688.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,701.12 : 110,005.56 = 60,633.72 : x
  2. Step 2: Convert to fraction form
    79,701.12/110,005.56 = 60,633.72/x
  3. Step 3: Cross multiply
    79,701.12x = 110,005.56 × 60,633.72
  4. Step 4: Simplify right side
    79,701.12x = 6,670,046,323.48
  5. Step 5: Solve for x
    x = 6,670,046,323.48/79,701.12
  6. Step 6: Final answer
    x = 83,688.24

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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.