Home / 88,032.16-121,482.72-49,791.04

Finding the Fourth Proportional to 88,032.16, 121,482.72 and 49,791.04

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Solution

The fourth proportional to 88,032.16, 121,482.72 and 49,791.04 is: 68,710.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,032.16 : 121,482.72 = 49,791.04 : x
  2. Step 2: Convert to fraction form
    88,032.16/121,482.72 = 49,791.04/x
  3. Step 3: Cross multiply
    88,032.16x = 121,482.72 × 49,791.04
  4. Step 4: Simplify right side
    88,032.16x = 6,048,750,970.83
  5. Step 5: Solve for x
    x = 6,048,750,970.83/88,032.16
  6. Step 6: Final answer
    x = 68,710.70

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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.