Home / 103,612.15-155,418.23-37,054.45

Finding the Fourth Proportional to 103,612.15, 155,418.23 and 37,054.45

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Solution

The fourth proportional to 103,612.15, 155,418.23 and 37,054.45 is: 55,581.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,612.15 : 155,418.23 = 37,054.45 : x
  2. Step 2: Convert to fraction form
    103,612.15/155,418.23 = 37,054.45/x
  3. Step 3: Cross multiply
    103,612.15x = 155,418.23 × 37,054.45
  4. Step 4: Simplify right side
    103,612.15x = 5,758,937,032.62
  5. Step 5: Solve for x
    x = 5,758,937,032.62/103,612.15
  6. Step 6: Final answer
    x = 55,581.68

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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.