Home / 84,447.10-126,670.65-51,204.70

Finding the Fourth Proportional to 84,447.10, 126,670.65 and 51,204.70

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Solution

The fourth proportional to 84,447.10, 126,670.65 and 51,204.70 is: 76,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,447.10 : 126,670.65 = 51,204.70 : x
  2. Step 2: Convert to fraction form
    84,447.10/126,670.65 = 51,204.70/x
  3. Step 3: Cross multiply
    84,447.10x = 126,670.65 × 51,204.70
  4. Step 4: Simplify right side
    84,447.10x = 6,486,132,632.06
  5. Step 5: Solve for x
    x = 6,486,132,632.06/84,447.10
  6. Step 6: Final answer
    x = 76,807.05

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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.