Home / 70,590.48-97,418.04-42,295.56

Finding the Fourth Proportional to 70,590.48, 97,418.04 and 42,295.56

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Solution

The fourth proportional to 70,590.48, 97,418.04 and 42,295.56 is: 58,369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,590.48 : 97,418.04 = 42,295.56 : x
  2. Step 2: Convert to fraction form
    70,590.48/97,418.04 = 42,295.56/x
  3. Step 3: Cross multiply
    70,590.48x = 97,418.04 × 42,295.56
  4. Step 4: Simplify right side
    70,590.48x = 4,120,350,555.90
  5. Step 5: Solve for x
    x = 4,120,350,555.90/70,590.48
  6. Step 6: Final answer
    x = 58,369.78

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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.