Home / 67,870.08-101,835.36-26,320.32

Finding the Fourth Proportional to 67,870.08, 101,835.36 and 26,320.32

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Solution

The fourth proportional to 67,870.08, 101,835.36 and 26,320.32 is: 39,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,870.08 : 101,835.36 = 26,320.32 : x
  2. Step 2: Convert to fraction form
    67,870.08/101,835.36 = 26,320.32/x
  3. Step 3: Cross multiply
    67,870.08x = 101,835.36 × 26,320.32
  4. Step 4: Simplify right side
    67,870.08x = 2,680,339,262.52
  5. Step 5: Solve for x
    x = 2,680,339,262.52/67,870.08
  6. Step 6: Final answer
    x = 39,492.21

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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.