Home / 71,106.24-98,128.08-42,805.92

Finding the Fourth Proportional to 71,106.24, 98,128.08 and 42,805.92

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Solution

The fourth proportional to 71,106.24, 98,128.08 and 42,805.92 is: 59,073.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,106.24 : 98,128.08 = 42,805.92 : x
  2. Step 2: Convert to fraction form
    71,106.24/98,128.08 = 42,805.92/x
  3. Step 3: Cross multiply
    71,106.24x = 98,128.08 × 42,805.92
  4. Step 4: Simplify right side
    71,106.24x = 4,200,462,742.23
  5. Step 5: Solve for x
    x = 4,200,462,742.23/71,106.24
  6. Step 6: Final answer
    x = 59,073.05

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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.