Home / 98,077.52-147,102.24-31,509.08

Finding the Fourth Proportional to 98,077.52, 147,102.24 and 31,509.08

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Solution

The fourth proportional to 98,077.52, 147,102.24 and 31,509.08 is: 47,259.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,077.52 : 147,102.24 = 31,509.08 : x
  2. Step 2: Convert to fraction form
    98,077.52/147,102.24 = 31,509.08/x
  3. Step 3: Cross multiply
    98,077.52x = 147,102.24 × 31,509.08
  4. Step 4: Simplify right side
    98,077.52x = 4,635,056,248.34
  5. Step 5: Solve for x
    x = 4,635,056,248.34/98,077.52
  6. Step 6: Final answer
    x = 47,259.11

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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.