Home / 54,818.02-75,651.91-38,690.50

Finding the Fourth Proportional to 54,818.02, 75,651.91 and 38,690.50

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Solution

The fourth proportional to 54,818.02, 75,651.91 and 38,690.50 is: 53,395.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,818.02 : 75,651.91 = 38,690.50 : x
  2. Step 2: Convert to fraction form
    54,818.02/75,651.91 = 38,690.50/x
  3. Step 3: Cross multiply
    54,818.02x = 75,651.91 × 38,690.50
  4. Step 4: Simplify right side
    54,818.02x = 2,927,010,223.86
  5. Step 5: Solve for x
    x = 2,927,010,223.86/54,818.02
  6. Step 6: Final answer
    x = 53,395.04

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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.