Home / 84,298.32-126,447.01-34,378.22

Finding the Fourth Proportional to 84,298.32, 126,447.01 and 34,378.22

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Solution

The fourth proportional to 84,298.32, 126,447.01 and 34,378.22 is: 51,567.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,298.32 : 126,447.01 = 34,378.22 : x
  2. Step 2: Convert to fraction form
    84,298.32/126,447.01 = 34,378.22/x
  3. Step 3: Cross multiply
    84,298.32x = 126,447.01 × 34,378.22
  4. Step 4: Simplify right side
    84,298.32x = 4,347,023,358.29
  5. Step 5: Solve for x
    x = 4,347,023,358.29/84,298.32
  6. Step 6: Final answer
    x = 51,567.14

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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.