Home / 75,159.16-112,734.80-25,240.28

Finding the Fourth Proportional to 75,159.16, 112,734.80 and 25,240.28

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Solution

The fourth proportional to 75,159.16, 112,734.80 and 25,240.28 is: 37,859.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,159.16 : 112,734.80 = 25,240.28 : x
  2. Step 2: Convert to fraction form
    75,159.16/112,734.80 = 25,240.28/x
  3. Step 3: Cross multiply
    75,159.16x = 112,734.80 × 25,240.28
  4. Step 4: Simplify right side
    75,159.16x = 2,845,457,917.74
  5. Step 5: Solve for x
    x = 2,845,457,917.74/75,159.16
  6. Step 6: Final answer
    x = 37,859.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.