Home / 73,615.51-101,587.19-40,909.81

Finding the Fourth Proportional to 73,615.51, 101,587.19 and 40,909.81

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Solution

The fourth proportional to 73,615.51, 101,587.19 and 40,909.81 is: 56,454.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,615.51 : 101,587.19 = 40,909.81 : x
  2. Step 2: Convert to fraction form
    73,615.51/101,587.19 = 40,909.81/x
  3. Step 3: Cross multiply
    73,615.51x = 101,587.19 × 40,909.81
  4. Step 4: Simplify right side
    73,615.51x = 4,155,912,641.33
  5. Step 5: Solve for x
    x = 4,155,912,641.33/73,615.51
  6. Step 6: Final answer
    x = 56,454.31

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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.