Home / 76,258.62-105,237.09-42,266.52

Finding the Fourth Proportional to 76,258.62, 105,237.09 and 42,266.52

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Solution

The fourth proportional to 76,258.62, 105,237.09 and 42,266.52 is: 58,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,258.62 : 105,237.09 = 42,266.52 : x
  2. Step 2: Convert to fraction form
    76,258.62/105,237.09 = 42,266.52/x
  3. Step 3: Cross multiply
    76,258.62x = 105,237.09 × 42,266.52
  4. Step 4: Simplify right side
    76,258.62x = 4,448,005,569.23
  5. Step 5: Solve for x
    x = 4,448,005,569.23/76,258.62
  6. Step 6: Final answer
    x = 58,327.91

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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.