Home / 75,097.08-103,633.67-40,641.74

Finding the Fourth Proportional to 75,097.08, 103,633.67 and 40,641.74

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Solution

The fourth proportional to 75,097.08, 103,633.67 and 40,641.74 is: 56,085.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,097.08 : 103,633.67 = 40,641.74 : x
  2. Step 2: Convert to fraction form
    75,097.08/103,633.67 = 40,641.74/x
  3. Step 3: Cross multiply
    75,097.08x = 103,633.67 × 40,641.74
  4. Step 4: Simplify right side
    75,097.08x = 4,211,851,950.01
  5. Step 5: Solve for x
    x = 4,211,851,950.01/75,097.08
  6. Step 6: Final answer
    x = 56,085.43

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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.