Home / 112,064.00-154,642.77-61,076.57

Finding the Fourth Proportional to 112,064.00, 154,642.77 and 61,076.57

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Solution

The fourth proportional to 112,064.00, 154,642.77 and 61,076.57 is: 84,282.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,064.00 : 154,642.77 = 61,076.57 : x
  2. Step 2: Convert to fraction form
    112,064.00/154,642.77 = 61,076.57/x
  3. Step 3: Cross multiply
    112,064.00x = 154,642.77 × 61,076.57
  4. Step 4: Simplify right side
    112,064.00x = 9,445,049,193.69
  5. Step 5: Solve for x
    x = 9,445,049,193.69/112,064.00
  6. Step 6: Final answer
    x = 84,282.64

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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.