Home / 98,567.30-147,956.21-42,435.24

Finding the Fourth Proportional to 98,567.30, 147,956.21 and 42,435.24

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Solution

The fourth proportional to 98,567.30, 147,956.21 and 42,435.24 is: 63,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,567.30 : 147,956.21 = 42,435.24 : x
  2. Step 2: Convert to fraction form
    98,567.30/147,956.21 = 42,435.24/x
  3. Step 3: Cross multiply
    98,567.30x = 147,956.21 × 42,435.24
  4. Step 4: Simplify right side
    98,567.30x = 6,278,557,624.56
  5. Step 5: Solve for x
    x = 6,278,557,624.56/98,567.30
  6. Step 6: Final answer
    x = 63,698.18

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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.