Home / 88,346.31-121,916.66-48,060.38

Finding the Fourth Proportional to 88,346.31, 121,916.66 and 48,060.38

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Solution

The fourth proportional to 88,346.31, 121,916.66 and 48,060.38 is: 66,322.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,346.31 : 121,916.66 = 48,060.38 : x
  2. Step 2: Convert to fraction form
    88,346.31/121,916.66 = 48,060.38/x
  3. Step 3: Cross multiply
    88,346.31x = 121,916.66 × 48,060.38
  4. Step 4: Simplify right side
    88,346.31x = 5,859,360,158.05
  5. Step 5: Solve for x
    x = 5,859,360,158.05/88,346.31
  6. Step 6: Final answer
    x = 66,322.64

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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.