Home / 84,336.18-126,504.28-34,439.77

Finding the Fourth Proportional to 84,336.18, 126,504.28 and 34,439.77

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Solution

The fourth proportional to 84,336.18, 126,504.28 and 34,439.77 is: 51,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,336.18 : 126,504.28 = 34,439.77 : x
  2. Step 2: Convert to fraction form
    84,336.18/126,504.28 = 34,439.77/x
  3. Step 3: Cross multiply
    84,336.18x = 126,504.28 × 34,439.77
  4. Step 4: Simplify right side
    84,336.18x = 4,356,778,307.22
  5. Step 5: Solve for x
    x = 4,356,778,307.22/84,336.18
  6. Step 6: Final answer
    x = 51,659.66

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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.