Home / 74,739.14-103,127.33-42,907.35

Finding the Fourth Proportional to 74,739.14, 103,127.33 and 42,907.35

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Solution

The fourth proportional to 74,739.14, 103,127.33 and 42,907.35 is: 59,204.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,739.14 : 103,127.33 = 42,907.35 : x
  2. Step 2: Convert to fraction form
    74,739.14/103,127.33 = 42,907.35/x
  3. Step 3: Cross multiply
    74,739.14x = 103,127.33 × 42,907.35
  4. Step 4: Simplify right side
    74,739.14x = 4,424,920,695.52
  5. Step 5: Solve for x
    x = 4,424,920,695.52/74,739.14
  6. Step 6: Final answer
    x = 59,204.87

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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.