Home / 92,805.13-128,071.16-50,363.66

Finding the Fourth Proportional to 92,805.13, 128,071.16 and 50,363.66

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Solution

The fourth proportional to 92,805.13, 128,071.16 and 50,363.66 is: 69,501.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,805.13 : 128,071.16 = 50,363.66 : x
  2. Step 2: Convert to fraction form
    92,805.13/128,071.16 = 50,363.66/x
  3. Step 3: Cross multiply
    92,805.13x = 128,071.16 × 50,363.66
  4. Step 4: Simplify right side
    92,805.13x = 6,450,132,358.05
  5. Step 5: Solve for x
    x = 6,450,132,358.05/92,805.13
  6. Step 6: Final answer
    x = 69,501.89

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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.