Home / 80,948.37-121,410.71-58,565.79

Finding the Fourth Proportional to 80,948.37, 121,410.71 and 58,565.79

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Solution

The fourth proportional to 80,948.37, 121,410.71 and 58,565.79 is: 87,840.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,948.37 : 121,410.71 = 58,565.79 : x
  2. Step 2: Convert to fraction form
    80,948.37/121,410.71 = 58,565.79/x
  3. Step 3: Cross multiply
    80,948.37x = 121,410.71 × 58,565.79
  4. Step 4: Simplify right side
    80,948.37x = 7,110,513,852.78
  5. Step 5: Solve for x
    x = 7,110,513,852.78/80,948.37
  6. Step 6: Final answer
    x = 87,840.11

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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.