Home / 74,723.04-103,123.97-42,898.08

Finding the Fourth Proportional to 74,723.04, 103,123.97 and 42,898.08

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Solution

The fourth proportional to 74,723.04, 103,123.97 and 42,898.08 is: 59,202.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,723.04 : 103,123.97 = 42,898.08 : x
  2. Step 2: Convert to fraction form
    74,723.04/103,123.97 = 42,898.08/x
  3. Step 3: Cross multiply
    74,723.04x = 103,123.97 × 42,898.08
  4. Step 4: Simplify right side
    74,723.04x = 4,423,820,100.49
  5. Step 5: Solve for x
    x = 4,423,820,100.49/74,723.04
  6. Step 6: Final answer
    x = 59,202.89

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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.