Home / 88,340.04-121,920.30-50,614.38

Finding the Fourth Proportional to 88,340.04, 121,920.30 and 50,614.38

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Solution

The fourth proportional to 88,340.04, 121,920.30 and 50,614.38 is: 69,854.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,340.04 : 121,920.30 = 50,614.38 : x
  2. Step 2: Convert to fraction form
    88,340.04/121,920.30 = 50,614.38/x
  3. Step 3: Cross multiply
    88,340.04x = 121,920.30 × 50,614.38
  4. Step 4: Simplify right side
    88,340.04x = 6,170,920,393.91
  5. Step 5: Solve for x
    x = 6,170,920,393.91/88,340.04
  6. Step 6: Final answer
    x = 69,854.17

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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.