Home / 75,613.54-104,323.20-42,902.57

Finding the Fourth Proportional to 75,613.54, 104,323.20 and 42,902.57

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Solution

The fourth proportional to 75,613.54, 104,323.20 and 42,902.57 is: 59,192.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,613.54 : 104,323.20 = 42,902.57 : x
  2. Step 2: Convert to fraction form
    75,613.54/104,323.20 = 42,902.57/x
  3. Step 3: Cross multiply
    75,613.54x = 104,323.20 × 42,902.57
  4. Step 4: Simplify right side
    75,613.54x = 4,475,733,390.62
  5. Step 5: Solve for x
    x = 4,475,733,390.62/75,613.54
  6. Step 6: Final answer
    x = 59,192.22

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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.