Home / 73,290.09-101,140.32-41,458.30

Finding the Fourth Proportional to 73,290.09, 101,140.32 and 41,458.30

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Solution

The fourth proportional to 73,290.09, 101,140.32 and 41,458.30 is: 57,212.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,290.09 : 101,140.32 = 41,458.30 : x
  2. Step 2: Convert to fraction form
    73,290.09/101,140.32 = 41,458.30/x
  3. Step 3: Cross multiply
    73,290.09x = 101,140.32 × 41,458.30
  4. Step 4: Simplify right side
    73,290.09x = 4,193,105,728.66
  5. Step 5: Solve for x
    x = 4,193,105,728.66/73,290.09
  6. Step 6: Final answer
    x = 57,212.45

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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.