Home / 74,534.32-111,801.48-21,943.81

Finding the Fourth Proportional to 74,534.32, 111,801.48 and 21,943.81

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Solution

The fourth proportional to 74,534.32, 111,801.48 and 21,943.81 is: 32,915.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,534.32 : 111,801.48 = 21,943.81 : x
  2. Step 2: Convert to fraction form
    74,534.32/111,801.48 = 21,943.81/x
  3. Step 3: Cross multiply
    74,534.32x = 111,801.48 × 21,943.81
  4. Step 4: Simplify right side
    74,534.32x = 2,453,350,434.84
  5. Step 5: Solve for x
    x = 2,453,350,434.84/74,534.32
  6. Step 6: Final answer
    x = 32,915.72

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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.