Home / 88,085.18-121,549.33-49,848.22

Finding the Fourth Proportional to 88,085.18, 121,549.33 and 49,848.22

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Solution

The fourth proportional to 88,085.18, 121,549.33 and 49,848.22 is: 68,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,085.18 : 121,549.33 = 49,848.22 : x
  2. Step 2: Convert to fraction form
    88,085.18/121,549.33 = 49,848.22/x
  3. Step 3: Cross multiply
    88,085.18x = 121,549.33 × 49,848.22
  4. Step 4: Simplify right side
    88,085.18x = 6,059,017,742.69
  5. Step 5: Solve for x
    x = 6,059,017,742.69/88,085.18
  6. Step 6: Final answer
    x = 68,785.89

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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.