Home / 112,036.09-154,607.79-61,049.26

Finding the Fourth Proportional to 112,036.09, 154,607.79 and 61,049.26

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Solution

The fourth proportional to 112,036.09, 154,607.79 and 61,049.26 is: 84,246.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,036.09 : 154,607.79 = 61,049.26 : x
  2. Step 2: Convert to fraction form
    112,036.09/154,607.79 = 61,049.26/x
  3. Step 3: Cross multiply
    112,036.09x = 154,607.79 × 61,049.26
  4. Step 4: Simplify right side
    112,036.09x = 9,438,690,783.22
  5. Step 5: Solve for x
    x = 9,438,690,783.22/112,036.09
  6. Step 6: Final answer
    x = 84,246.88

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1.5x scale

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.