Home / 88,134.04-121,616.94-50,407.48

Finding the Fourth Proportional to 88,134.04, 121,616.94 and 50,407.48

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Solution

The fourth proportional to 88,134.04, 121,616.94 and 50,407.48 is: 69,557.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,134.04 : 121,616.94 = 50,407.48 : x
  2. Step 2: Convert to fraction form
    88,134.04/121,616.94 = 50,407.48/x
  3. Step 3: Cross multiply
    88,134.04x = 121,616.94 × 50,407.48
  4. Step 4: Simplify right side
    88,134.04x = 6,130,403,470.71
  5. Step 5: Solve for x
    x = 6,130,403,470.71/88,134.04
  6. Step 6: Final answer
    x = 69,557.73

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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.