Home / 75,087.86-103,615.34-43,259.31

Finding the Fourth Proportional to 75,087.86, 103,615.34 and 43,259.31

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Solution

The fourth proportional to 75,087.86, 103,615.34 and 43,259.31 is: 59,694.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,087.86 : 103,615.34 = 43,259.31 : x
  2. Step 2: Convert to fraction form
    75,087.86/103,615.34 = 43,259.31/x
  3. Step 3: Cross multiply
    75,087.86x = 103,615.34 × 43,259.31
  4. Step 4: Simplify right side
    75,087.86x = 4,482,327,897.52
  5. Step 5: Solve for x
    x = 4,482,327,897.52/75,087.86
  6. Step 6: Final answer
    x = 59,694.45

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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.