Home / 88,054.29-121,515.16-47,768.06

Finding the Fourth Proportional to 88,054.29, 121,515.16 and 47,768.06

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Solution

The fourth proportional to 88,054.29, 121,515.16 and 47,768.06 is: 65,920.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,054.29 : 121,515.16 = 47,768.06 : x
  2. Step 2: Convert to fraction form
    88,054.29/121,515.16 = 47,768.06/x
  3. Step 3: Cross multiply
    88,054.29x = 121,515.16 × 47,768.06
  4. Step 4: Simplify right side
    88,054.29x = 5,804,542,726.79
  5. Step 5: Solve for x
    x = 5,804,542,726.79/88,054.29
  6. Step 6: Final answer
    x = 65,920.04

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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.