Home / 74,908.40-112,381.56-22,318.16

Finding the Fourth Proportional to 74,908.40, 112,381.56 and 22,318.16

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Solution

The fourth proportional to 74,908.40, 112,381.56 and 22,318.16 is: 33,482.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,908.40 : 112,381.56 = 22,318.16 : x
  2. Step 2: Convert to fraction form
    74,908.40/112,381.56 = 22,318.16/x
  3. Step 3: Cross multiply
    74,908.40x = 112,381.56 × 22,318.16
  4. Step 4: Simplify right side
    74,908.40x = 2,508,149,637.13
  5. Step 5: Solve for x
    x = 2,508,149,637.13/74,908.40
  6. Step 6: Final answer
    x = 33,482.89

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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.