Home / 75,097.01-103,633.60-40,641.67

Finding the Fourth Proportional to 75,097.01, 103,633.60 and 40,641.67

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Solution

The fourth proportional to 75,097.01, 103,633.60 and 40,641.67 is: 56,085.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,097.01 : 103,633.60 = 40,641.67 : x
  2. Step 2: Convert to fraction form
    75,097.01/103,633.60 = 40,641.67/x
  3. Step 3: Cross multiply
    75,097.01x = 103,633.60 × 40,641.67
  4. Step 4: Simplify right side
    75,097.01x = 4,211,842,572.11
  5. Step 5: Solve for x
    x = 4,211,842,572.11/75,097.01
  6. Step 6: Final answer
    x = 56,085.36

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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.