Home / 73,841.20-101,899.54-42,009.41

Finding the Fourth Proportional to 73,841.20, 101,899.54 and 42,009.41

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Solution

The fourth proportional to 73,841.20, 101,899.54 and 42,009.41 is: 57,972.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,841.20 : 101,899.54 = 42,009.41 : x
  2. Step 2: Convert to fraction form
    73,841.20/101,899.54 = 42,009.41/x
  3. Step 3: Cross multiply
    73,841.20x = 101,899.54 × 42,009.41
  4. Step 4: Simplify right side
    73,841.20x = 4,280,739,554.67
  5. Step 5: Solve for x
    x = 4,280,739,554.67/73,841.20
  6. Step 6: Final answer
    x = 57,972.24

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1.5x scale

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.