Home / 88,172.01-121,678.26-47,886.56

Finding the Fourth Proportional to 88,172.01, 121,678.26 and 47,886.56

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Solution

The fourth proportional to 88,172.01, 121,678.26 and 47,886.56 is: 66,083.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,172.01 : 121,678.26 = 47,886.56 : x
  2. Step 2: Convert to fraction form
    88,172.01/121,678.26 = 47,886.56/x
  3. Step 3: Cross multiply
    88,172.01x = 121,678.26 × 47,886.56
  4. Step 4: Simplify right side
    88,172.01x = 5,826,752,966.51
  5. Step 5: Solve for x
    x = 5,826,752,966.51/88,172.01
  6. Step 6: Final answer
    x = 66,083.93

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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.