Home / 83,220.49-124,830.74-70,710.85

Finding the Fourth Proportional to 83,220.49, 124,830.74 and 70,710.85

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Solution

The fourth proportional to 83,220.49, 124,830.74 and 70,710.85 is: 106,066.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,220.49 : 124,830.74 = 70,710.85 : x
  2. Step 2: Convert to fraction form
    83,220.49/124,830.74 = 70,710.85/x
  3. Step 3: Cross multiply
    83,220.49x = 124,830.74 × 70,710.85
  4. Step 4: Simplify right side
    83,220.49x = 8,826,887,731.53
  5. Step 5: Solve for x
    x = 8,826,887,731.53/83,220.49
  6. Step 6: Final answer
    x = 106,066.28

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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.