Home / 86,702.06-119,643.05-48,973.88

Finding the Fourth Proportional to 86,702.06, 119,643.05 and 48,973.88

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Solution

The fourth proportional to 86,702.06, 119,643.05 and 48,973.88 is: 67,580.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,702.06 : 119,643.05 = 48,973.88 : x
  2. Step 2: Convert to fraction form
    86,702.06/119,643.05 = 48,973.88/x
  3. Step 3: Cross multiply
    86,702.06x = 119,643.05 × 48,973.88
  4. Step 4: Simplify right side
    86,702.06x = 5,859,383,530.45
  5. Step 5: Solve for x
    x = 5,859,383,530.45/86,702.06
  6. Step 6: Final answer
    x = 67,580.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.