Home / 88,180.79-121,690.37-47,894.93

Finding the Fourth Proportional to 88,180.79, 121,690.37 and 47,894.93

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Solution

The fourth proportional to 88,180.79, 121,690.37 and 47,894.93 is: 66,095.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,180.79 : 121,690.37 = 47,894.93 : x
  2. Step 2: Convert to fraction form
    88,180.79/121,690.37 = 47,894.93/x
  3. Step 3: Cross multiply
    88,180.79x = 121,690.37 × 47,894.93
  4. Step 4: Simplify right side
    88,180.79x = 5,828,351,752.82
  5. Step 5: Solve for x
    x = 5,828,351,752.82/88,180.79
  6. Step 6: Final answer
    x = 66,095.48

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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.