Home / 92,805.38-128,071.51-50,363.91

Finding the Fourth Proportional to 92,805.38, 128,071.51 and 50,363.91

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Solution

The fourth proportional to 92,805.38, 128,071.51 and 50,363.91 is: 69,502.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,805.38 : 128,071.51 = 50,363.91 : x
  2. Step 2: Convert to fraction form
    92,805.38/128,071.51 = 50,363.91/x
  3. Step 3: Cross multiply
    92,805.38x = 128,071.51 × 50,363.91
  4. Step 4: Simplify right side
    92,805.38x = 6,450,181,877.29
  5. Step 5: Solve for x
    x = 6,450,181,877.29/92,805.38
  6. Step 6: Final answer
    x = 69,502.24

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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.