Home / 105,283.72-145,291.29-59,961.70

Finding the Fourth Proportional to 105,283.72, 145,291.29 and 59,961.70

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Solution

The fourth proportional to 105,283.72, 145,291.29 and 59,961.70 is: 82,747.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,283.72 : 145,291.29 = 59,961.70 : x
  2. Step 2: Convert to fraction form
    105,283.72/145,291.29 = 59,961.70/x
  3. Step 3: Cross multiply
    105,283.72x = 145,291.29 × 59,961.70
  4. Step 4: Simplify right side
    105,283.72x = 8,711,912,017.14
  5. Step 5: Solve for x
    x = 8,711,912,017.14/105,283.72
  6. Step 6: Final answer
    x = 82,747.00

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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.