Home / 76,904.16-106,123.68-43,368

Finding the Fourth Proportional to 76,904.16, 106,123.68 and 43,368

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Solution

The fourth proportional to 76,904.16, 106,123.68 and 43,368 is: 59,845.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,904.16 : 106,123.68 = 43,368 : x
  2. Step 2: Convert to fraction form
    76,904.16/106,123.68 = 43,368/x
  3. Step 3: Cross multiply
    76,904.16x = 106,123.68 × 43,368
  4. Step 4: Simplify right side
    76,904.16x = 4,602,371,754.24
  5. Step 5: Solve for x
    x = 4,602,371,754.24/76,904.16
  6. Step 6: Final answer
    x = 59,845.55

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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.