Home / 83,664.77-115,423.99-53,442.25

Finding the Fourth Proportional to 83,664.77, 115,423.99 and 53,442.25

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Solution

The fourth proportional to 83,664.77, 115,423.99 and 53,442.25 is: 73,728.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,664.77 : 115,423.99 = 53,442.25 : x
  2. Step 2: Convert to fraction form
    83,664.77/115,423.99 = 53,442.25/x
  3. Step 3: Cross multiply
    83,664.77x = 115,423.99 × 53,442.25
  4. Step 4: Simplify right side
    83,664.77x = 6,168,517,307.41
  5. Step 5: Solve for x
    x = 6,168,517,307.41/83,664.77
  6. Step 6: Final answer
    x = 73,728.97

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1.5x scale

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.