Home / 88,162.16-121,661.40-47,874.08

Finding the Fourth Proportional to 88,162.16, 121,661.40 and 47,874.08

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Solution

The fourth proportional to 88,162.16, 121,661.40 and 47,874.08 is: 66,064.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,162.16 : 121,661.40 = 47,874.08 : x
  2. Step 2: Convert to fraction form
    88,162.16/121,661.40 = 47,874.08/x
  3. Step 3: Cross multiply
    88,162.16x = 121,661.40 × 47,874.08
  4. Step 4: Simplify right side
    88,162.16x = 5,824,427,596.51
  5. Step 5: Solve for x
    x = 5,824,427,596.51/88,162.16
  6. Step 6: Final answer
    x = 66,064.94

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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.