Home / 75,131.64-103,681.48-43,300.26

Finding the Fourth Proportional to 75,131.64, 103,681.48 and 43,300.26

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Solution

The fourth proportional to 75,131.64, 103,681.48 and 43,300.26 is: 59,754.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,131.64 : 103,681.48 = 43,300.26 : x
  2. Step 2: Convert to fraction form
    75,131.64/103,681.48 = 43,300.26/x
  3. Step 3: Cross multiply
    75,131.64x = 103,681.48 × 43,300.26
  4. Step 4: Simplify right side
    75,131.64x = 4,489,435,041.18
  5. Step 5: Solve for x
    x = 4,489,435,041.18/75,131.64
  6. Step 6: Final answer
    x = 59,754.25

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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.