Home / 57,111.38-78,802.76-36,965.46

Finding the Fourth Proportional to 57,111.38, 78,802.76 and 36,965.46

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Solution

The fourth proportional to 57,111.38, 78,802.76 and 36,965.46 is: 51,005.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,111.38 : 78,802.76 = 36,965.46 : x
  2. Step 2: Convert to fraction form
    57,111.38/78,802.76 = 36,965.46/x
  3. Step 3: Cross multiply
    57,111.38x = 78,802.76 × 36,965.46
  4. Step 4: Simplify right side
    57,111.38x = 2,912,980,365.08
  5. Step 5: Solve for x
    x = 2,912,980,365.08/57,111.38
  6. Step 6: Final answer
    x = 51,005.26

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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.