Home / 64,916.51-89,541.15-48,825.65

Finding the Fourth Proportional to 64,916.51, 89,541.15 and 48,825.65

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Solution

The fourth proportional to 64,916.51, 89,541.15 and 48,825.65 is: 67,346.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,916.51 : 89,541.15 = 48,825.65 : x
  2. Step 2: Convert to fraction form
    64,916.51/89,541.15 = 48,825.65/x
  3. Step 3: Cross multiply
    64,916.51x = 89,541.15 × 48,825.65
  4. Step 4: Simplify right side
    64,916.51x = 4,371,904,891.25
  5. Step 5: Solve for x
    x = 4,371,904,891.25/64,916.51
  6. Step 6: Final answer
    x = 67,346.58

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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.