Home / 80,686.26-111,347.02-47,152.26

Finding the Fourth Proportional to 80,686.26, 111,347.02 and 47,152.26

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Solution

The fourth proportional to 80,686.26, 111,347.02 and 47,152.26 is: 65,070.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,686.26 : 111,347.02 = 47,152.26 : x
  2. Step 2: Convert to fraction form
    80,686.26/111,347.02 = 47,152.26/x
  3. Step 3: Cross multiply
    80,686.26x = 111,347.02 × 47,152.26
  4. Step 4: Simplify right side
    80,686.26x = 5,250,263,637.27
  5. Step 5: Solve for x
    x = 5,250,263,637.27/80,686.26
  6. Step 6: Final answer
    x = 65,070.11

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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.