Home / 75,800.18-113,575.12-46,128.26

Finding the Fourth Proportional to 75,800.18, 113,575.12 and 46,128.26

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Solution

The fourth proportional to 75,800.18, 113,575.12 and 46,128.26 is: 69,116.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,800.18 : 113,575.12 = 46,128.26 : x
  2. Step 2: Convert to fraction form
    75,800.18/113,575.12 = 46,128.26/x
  3. Step 3: Cross multiply
    75,800.18x = 113,575.12 × 46,128.26
  4. Step 4: Simplify right side
    75,800.18x = 5,239,021,981.69
  5. Step 5: Solve for x
    x = 5,239,021,981.69/75,800.18
  6. Step 6: Final answer
    x = 69,116.23

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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.