Home / 75,308.09-112,962.95-22,718.03

Finding the Fourth Proportional to 75,308.09, 112,962.95 and 22,718.03

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Solution

The fourth proportional to 75,308.09, 112,962.95 and 22,718.03 is: 34,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,308.09 : 112,962.95 = 22,718.03 : x
  2. Step 2: Convert to fraction form
    75,308.09/112,962.95 = 22,718.03/x
  3. Step 3: Cross multiply
    75,308.09x = 112,962.95 × 22,718.03
  4. Step 4: Simplify right side
    75,308.09x = 2,566,295,573.40
  5. Step 5: Solve for x
    x = 2,566,295,573.40/75,308.09
  6. Step 6: Final answer
    x = 34,077.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.