Home / 98,671.12-148,030.98-28,557.52

Finding the Fourth Proportional to 98,671.12, 148,030.98 and 28,557.52

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Solution

The fourth proportional to 98,671.12, 148,030.98 and 28,557.52 is: 42,843.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,671.12 : 148,030.98 = 28,557.52 : x
  2. Step 2: Convert to fraction form
    98,671.12/148,030.98 = 28,557.52/x
  3. Step 3: Cross multiply
    98,671.12x = 148,030.98 × 28,557.52
  4. Step 4: Simplify right side
    98,671.12x = 4,227,397,671.97
  5. Step 5: Solve for x
    x = 4,227,397,671.97/98,671.12
  6. Step 6: Final answer
    x = 42,843.31

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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.