Home / 74,931.56-112,441.65-27,579.90

Finding the Fourth Proportional to 74,931.56, 112,441.65 and 27,579.90

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Solution

The fourth proportional to 74,931.56, 112,441.65 and 27,579.90 is: 41,386.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,931.56 : 112,441.65 = 27,579.90 : x
  2. Step 2: Convert to fraction form
    74,931.56/112,441.65 = 27,579.90/x
  3. Step 3: Cross multiply
    74,931.56x = 112,441.65 × 27,579.90
  4. Step 4: Simplify right side
    74,931.56x = 3,101,129,462.84
  5. Step 5: Solve for x
    x = 3,101,129,462.84/74,931.56
  6. Step 6: Final answer
    x = 41,386.16

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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.