Home / 84,511.77-116,535.55-71,229.39

Finding the Fourth Proportional to 84,511.77, 116,535.55 and 71,229.39

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Solution

The fourth proportional to 84,511.77, 116,535.55 and 71,229.39 is: 98,220.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,511.77 : 116,535.55 = 71,229.39 : x
  2. Step 2: Convert to fraction form
    84,511.77/116,535.55 = 71,229.39/x
  3. Step 3: Cross multiply
    84,511.77x = 116,535.55 × 71,229.39
  4. Step 4: Simplify right side
    84,511.77x = 8,300,756,139.81
  5. Step 5: Solve for x
    x = 8,300,756,139.81/84,511.77
  6. Step 6: Final answer
    x = 98,220.12

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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.