Home / 82,531.65-113,894.15-48,541.57

Finding the Fourth Proportional to 82,531.65, 113,894.15 and 48,541.57

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Solution

The fourth proportional to 82,531.65, 113,894.15 and 48,541.57 is: 66,987.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,531.65 : 113,894.15 = 48,541.57 : x
  2. Step 2: Convert to fraction form
    82,531.65/113,894.15 = 48,541.57/x
  3. Step 3: Cross multiply
    82,531.65x = 113,894.15 × 48,541.57
  4. Step 4: Simplify right side
    82,531.65x = 5,528,600,854.82
  5. Step 5: Solve for x
    x = 5,528,600,854.82/82,531.65
  6. Step 6: Final answer
    x = 66,987.64

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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.