Home / 83,897.50-115,778.58-46,170.94

Finding the Fourth Proportional to 83,897.50, 115,778.58 and 46,170.94

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Solution

The fourth proportional to 83,897.50, 115,778.58 and 46,170.94 is: 63,715.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,897.50 : 115,778.58 = 46,170.94 : x
  2. Step 2: Convert to fraction form
    83,897.50/115,778.58 = 46,170.94/x
  3. Step 3: Cross multiply
    83,897.50x = 115,778.58 × 46,170.94
  4. Step 4: Simplify right side
    83,897.50x = 5,345,605,870.47
  5. Step 5: Solve for x
    x = 5,345,605,870.47/83,897.50
  6. Step 6: Final answer
    x = 63,715.91

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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.