Home / 71,680.18-98,925.33-43,392.82

Finding the Fourth Proportional to 71,680.18, 98,925.33 and 43,392.82

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Solution

The fourth proportional to 71,680.18, 98,925.33 and 43,392.82 is: 59,886.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,680.18 : 98,925.33 = 43,392.82 : x
  2. Step 2: Convert to fraction form
    71,680.18/98,925.33 = 43,392.82/x
  3. Step 3: Cross multiply
    71,680.18x = 98,925.33 × 43,392.82
  4. Step 4: Simplify right side
    71,680.18x = 4,292,649,038.13
  5. Step 5: Solve for x
    x = 4,292,649,038.13/71,680.18
  6. Step 6: Final answer
    x = 59,886.14

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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.