Home / 90,194.17-124,459.48-61,063.28

Finding the Fourth Proportional to 90,194.17, 124,459.48 and 61,063.28

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Solution

The fourth proportional to 90,194.17, 124,459.48 and 61,063.28 is: 84,261.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,194.17 : 124,459.48 = 61,063.28 : x
  2. Step 2: Convert to fraction form
    90,194.17/124,459.48 = 61,063.28/x
  3. Step 3: Cross multiply
    90,194.17x = 124,459.48 × 61,063.28
  4. Step 4: Simplify right side
    90,194.17x = 7,599,904,075.89
  5. Step 5: Solve for x
    x = 7,599,904,075.89/90,194.17
  6. Step 6: Final answer
    x = 84,261.59

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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.