Home / 112,036.47-168,091.74-40,980.84

Finding the Fourth Proportional to 112,036.47, 168,091.74 and 40,980.84

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Solution

The fourth proportional to 112,036.47, 168,091.74 and 40,980.84 is: 61,484.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,036.47 : 168,091.74 = 40,980.84 : x
  2. Step 2: Convert to fraction form
    112,036.47/168,091.74 = 40,980.84/x
  3. Step 3: Cross multiply
    112,036.47x = 168,091.74 × 40,980.84
  4. Step 4: Simplify right side
    112,036.47x = 6,888,540,702.26
  5. Step 5: Solve for x
    x = 6,888,540,702.26/112,036.47
  6. Step 6: Final answer
    x = 61,484.81

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1.5x scale

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.