Home / 112,064.38-154,646.82-61,077.58

Finding the Fourth Proportional to 112,064.38, 154,646.82 and 61,077.58

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Solution

The fourth proportional to 112,064.38, 154,646.82 and 61,077.58 is: 84,285.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,064.38 : 154,646.82 = 61,077.58 : x
  2. Step 2: Convert to fraction form
    112,064.38/154,646.82 = 61,077.58/x
  3. Step 3: Cross multiply
    112,064.38x = 154,646.82 × 61,077.58
  4. Step 4: Simplify right side
    112,064.38x = 9,445,453,133.68
  5. Step 5: Solve for x
    x = 9,445,453,133.68/112,064.38
  6. Step 6: Final answer
    x = 84,285.96

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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.