Home / 98,027.98-147,028.08-31,459.52

Finding the Fourth Proportional to 98,027.98, 147,028.08 and 31,459.52

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Solution

The fourth proportional to 98,027.98, 147,028.08 and 31,459.52 is: 47,184.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,027.98 : 147,028.08 = 31,459.52 : x
  2. Step 2: Convert to fraction form
    98,027.98/147,028.08 = 31,459.52/x
  3. Step 3: Cross multiply
    98,027.98x = 147,028.08 × 31,459.52
  4. Step 4: Simplify right side
    98,027.98x = 4,625,432,823.32
  5. Step 5: Solve for x
    x = 4,625,432,823.32/98,027.98
  6. Step 6: Final answer
    x = 47,184.82

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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.