Home / 75,215.35-103,792.71-42,953.77

Finding the Fourth Proportional to 75,215.35, 103,792.71 and 42,953.77

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Solution

The fourth proportional to 75,215.35, 103,792.71 and 42,953.77 is: 59,273.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,215.35 : 103,792.71 = 42,953.77 : x
  2. Step 2: Convert to fraction form
    75,215.35/103,792.71 = 42,953.77/x
  3. Step 3: Cross multiply
    75,215.35x = 103,792.71 × 42,953.77
  4. Step 4: Simplify right side
    75,215.35x = 4,458,288,193.02
  5. Step 5: Solve for x
    x = 4,458,288,193.02/75,215.35
  6. Step 6: Final answer
    x = 59,273.65

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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.