Home / 74,975.30-112,475.55-22,390.10

Finding the Fourth Proportional to 74,975.30, 112,475.55 and 22,390.10

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Solution

The fourth proportional to 74,975.30, 112,475.55 and 22,390.10 is: 33,588.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,975.30 : 112,475.55 = 22,390.10 : x
  2. Step 2: Convert to fraction form
    74,975.30/112,475.55 = 22,390.10/x
  3. Step 3: Cross multiply
    74,975.30x = 112,475.55 × 22,390.10
  4. Step 4: Simplify right side
    74,975.30x = 2,518,338,812.06
  5. Step 5: Solve for x
    x = 2,518,338,812.06/74,975.30
  6. Step 6: Final answer
    x = 33,588.91

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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.