Home / 74,051.17-111,078.86-29,070.65

Finding the Fourth Proportional to 74,051.17, 111,078.86 and 29,070.65

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Solution

The fourth proportional to 74,051.17, 111,078.86 and 29,070.65 is: 43,606.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,051.17 : 111,078.86 = 29,070.65 : x
  2. Step 2: Convert to fraction form
    74,051.17/111,078.86 = 29,070.65/x
  3. Step 3: Cross multiply
    74,051.17x = 111,078.86 × 29,070.65
  4. Step 4: Simplify right side
    74,051.17x = 3,229,134,661.46
  5. Step 5: Solve for x
    x = 3,229,134,661.46/74,051.17
  6. Step 6: Final answer
    x = 43,606.80

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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.