Home / 54,085.50-74,658.52-40,695.68

Finding the Fourth Proportional to 54,085.50, 74,658.52 and 40,695.68

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Solution

The fourth proportional to 54,085.50, 74,658.52 and 40,695.68 is: 56,175.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,085.50 : 74,658.52 = 40,695.68 : x
  2. Step 2: Convert to fraction form
    54,085.50/74,658.52 = 40,695.68/x
  3. Step 3: Cross multiply
    54,085.50x = 74,658.52 × 40,695.68
  4. Step 4: Simplify right side
    54,085.50x = 3,038,279,239.19
  5. Step 5: Solve for x
    x = 3,038,279,239.19/54,085.50
  6. Step 6: Final answer
    x = 56,175.49

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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.