Home / 71,034.47-98,040.26-42,355.97

Finding the Fourth Proportional to 71,034.47, 98,040.26 and 42,355.97

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Solution

The fourth proportional to 71,034.47, 98,040.26 and 42,355.97 is: 58,458.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,034.47 : 98,040.26 = 42,355.97 : x
  2. Step 2: Convert to fraction form
    71,034.47/98,040.26 = 42,355.97/x
  3. Step 3: Cross multiply
    71,034.47x = 98,040.26 × 42,355.97
  4. Step 4: Simplify right side
    71,034.47x = 4,152,590,503.51
  5. Step 5: Solve for x
    x = 4,152,590,503.51/71,034.47
  6. Step 6: Final answer
    x = 58,458.81

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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.