Home / 74,384.16-111,588.56-36,945.48

Finding the Fourth Proportional to 74,384.16, 111,588.56 and 36,945.48

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Solution

The fourth proportional to 74,384.16, 111,588.56 and 36,945.48 is: 55,424.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,384.16 : 111,588.56 = 36,945.48 : x
  2. Step 2: Convert to fraction form
    74,384.16/111,588.56 = 36,945.48/x
  3. Step 3: Cross multiply
    74,384.16x = 111,588.56 × 36,945.48
  4. Step 4: Simplify right side
    74,384.16x = 4,122,692,726.98
  5. Step 5: Solve for x
    x = 4,122,692,726.98/74,384.16
  6. Step 6: Final answer
    x = 55,424.34

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1.5x scale

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.