Home / 74,695.61-103,075.97-42,862.41

Finding the Fourth Proportional to 74,695.61, 103,075.97 and 42,862.41

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Solution

The fourth proportional to 74,695.61, 103,075.97 and 42,862.41 is: 59,147.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,695.61 : 103,075.97 = 42,862.41 : x
  2. Step 2: Convert to fraction form
    74,695.61/103,075.97 = 42,862.41/x
  3. Step 3: Cross multiply
    74,695.61x = 103,075.97 × 42,862.41
  4. Step 4: Simplify right side
    74,695.61x = 4,418,084,272.98
  5. Step 5: Solve for x
    x = 4,418,084,272.98/74,695.61
  6. Step 6: Final answer
    x = 59,147.84

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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.