Home / 78,444.36-108,250.20-42,633.57

Finding the Fourth Proportional to 78,444.36, 108,250.20 and 42,633.57

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Solution

The fourth proportional to 78,444.36, 108,250.20 and 42,633.57 is: 58,832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,444.36 : 108,250.20 = 42,633.57 : x
  2. Step 2: Convert to fraction form
    78,444.36/108,250.20 = 42,633.57/x
  3. Step 3: Cross multiply
    78,444.36x = 108,250.20 × 42,633.57
  4. Step 4: Simplify right side
    78,444.36x = 4,615,092,479.21
  5. Step 5: Solve for x
    x = 4,615,092,479.21/78,444.36
  6. Step 6: Final answer
    x = 58,832.69

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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.