Home / 75,019.69-103,094.26-71,550.46

Finding the Fourth Proportional to 75,019.69, 103,094.26 and 71,550.46

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Solution

The fourth proportional to 75,019.69, 103,094.26 and 71,550.46 is: 98,326.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,019.69 : 103,094.26 = 71,550.46 : x
  2. Step 2: Convert to fraction form
    75,019.69/103,094.26 = 71,550.46/x
  3. Step 3: Cross multiply
    75,019.69x = 103,094.26 × 71,550.46
  4. Step 4: Simplify right side
    75,019.69x = 7,376,441,726.36
  5. Step 5: Solve for x
    x = 7,376,441,726.36/75,019.69
  6. Step 6: Final answer
    x = 98,326.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.