Home / 84,518.37-126,781.65-69,700.23

Finding the Fourth Proportional to 84,518.37, 126,781.65 and 69,700.23

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Solution

The fourth proportional to 84,518.37, 126,781.65 and 69,700.23 is: 104,553.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,518.37 : 126,781.65 = 69,700.23 : x
  2. Step 2: Convert to fraction form
    84,518.37/126,781.65 = 69,700.23/x
  3. Step 3: Cross multiply
    84,518.37x = 126,781.65 × 69,700.23
  4. Step 4: Simplify right side
    84,518.37x = 8,836,710,164.78
  5. Step 5: Solve for x
    x = 8,836,710,164.78/84,518.37
  6. Step 6: Final answer
    x = 104,553.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.