Home / 86,726.96-119,685.52-49,000.40

Finding the Fourth Proportional to 86,726.96, 119,685.52 and 49,000.40

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Solution

The fourth proportional to 86,726.96, 119,685.52 and 49,000.40 is: 67,621.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,726.96 : 119,685.52 = 49,000.40 : x
  2. Step 2: Convert to fraction form
    86,726.96/119,685.52 = 49,000.40/x
  3. Step 3: Cross multiply
    86,726.96x = 119,685.52 × 49,000.40
  4. Step 4: Simplify right side
    86,726.96x = 5,864,638,354.21
  5. Step 5: Solve for x
    x = 5,864,638,354.21/86,726.96
  6. Step 6: Final answer
    x = 67,621.86

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1.5x scale

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.