Home / 52,678.96-72,695.91-28,805.38

Finding the Fourth Proportional to 52,678.96, 72,695.91 and 28,805.38

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Solution

The fourth proportional to 52,678.96, 72,695.91 and 28,805.38 is: 39,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,678.96 : 72,695.91 = 28,805.38 : x
  2. Step 2: Convert to fraction form
    52,678.96/72,695.91 = 28,805.38/x
  3. Step 3: Cross multiply
    52,678.96x = 72,695.91 × 28,805.38
  4. Step 4: Simplify right side
    52,678.96x = 2,094,033,312.00
  5. Step 5: Solve for x
    x = 2,094,033,312.00/52,678.96
  6. Step 6: Final answer
    x = 39,750.85

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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.