Home / 112,881.13-169,307.82-65,522.02

Finding the Fourth Proportional to 112,881.13, 169,307.82 and 65,522.02

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Solution

The fourth proportional to 112,881.13, 169,307.82 and 65,522.02 is: 98,274.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,881.13 : 169,307.82 = 65,522.02 : x
  2. Step 2: Convert to fraction form
    112,881.13/169,307.82 = 65,522.02/x
  3. Step 3: Cross multiply
    112,881.13x = 169,307.82 × 65,522.02
  4. Step 4: Simplify right side
    112,881.13x = 11,093,390,368.20
  5. Step 5: Solve for x
    x = 11,093,390,368.20/112,881.13
  6. Step 6: Final answer
    x = 98,274.98

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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.