Home / 98,266.42-147,276.29-42,040.45

Finding the Fourth Proportional to 98,266.42, 147,276.29 and 42,040.45

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Solution

The fourth proportional to 98,266.42, 147,276.29 and 42,040.45 is: 63,007.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,266.42 : 147,276.29 = 42,040.45 : x
  2. Step 2: Convert to fraction form
    98,266.42/147,276.29 = 42,040.45/x
  3. Step 3: Cross multiply
    98,266.42x = 147,276.29 × 42,040.45
  4. Step 4: Simplify right side
    98,266.42x = 6,191,561,295.73
  5. Step 5: Solve for x
    x = 6,191,561,295.73/98,266.42
  6. Step 6: Final answer
    x = 63,007.91

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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.