Home / 112,088.50-154,682.13-61,788.58

Finding the Fourth Proportional to 112,088.50, 154,682.13 and 61,788.58

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Solution

The fourth proportional to 112,088.50, 154,682.13 and 61,788.58 is: 85,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,088.50 : 154,682.13 = 61,788.58 : x
  2. Step 2: Convert to fraction form
    112,088.50/154,682.13 = 61,788.58/x
  3. Step 3: Cross multiply
    112,088.50x = 154,682.13 × 61,788.58
  4. Step 4: Simplify right side
    112,088.50x = 9,557,589,164.08
  5. Step 5: Solve for x
    x = 9,557,589,164.08/112,088.50
  6. Step 6: Final answer
    x = 85,268.24

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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.