Home / 98,623.28-147,956.80-28,497.26

Finding the Fourth Proportional to 98,623.28, 147,956.80 and 28,497.26

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Solution

The fourth proportional to 98,623.28, 147,956.80 and 28,497.26 is: 42,752.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,623.28 : 147,956.80 = 28,497.26 : x
  2. Step 2: Convert to fraction form
    98,623.28/147,956.80 = 28,497.26/x
  3. Step 3: Cross multiply
    98,623.28x = 147,956.80 × 28,497.26
  4. Step 4: Simplify right side
    98,623.28x = 4,216,363,398.37
  5. Step 5: Solve for x
    x = 4,216,363,398.37/98,623.28
  6. Step 6: Final answer
    x = 42,752.21

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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.