Home / 75,129.24-103,678.62-41,595.24

Finding the Fourth Proportional to 75,129.24, 103,678.62 and 41,595.24

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Solution

The fourth proportional to 75,129.24, 103,678.62 and 41,595.24 is: 57,401.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,129.24 : 103,678.62 = 41,595.24 : x
  2. Step 2: Convert to fraction form
    75,129.24/103,678.62 = 41,595.24/x
  3. Step 3: Cross multiply
    75,129.24x = 103,678.62 × 41,595.24
  4. Step 4: Simplify right side
    75,129.24x = 4,312,537,081.77
  5. Step 5: Solve for x
    x = 4,312,537,081.77/75,129.24
  6. Step 6: Final answer
    x = 57,401.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.