Home / 55,225.64-82,862.84-42,853.16

Finding the Fourth Proportional to 55,225.64, 82,862.84 and 42,853.16

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Solution

The fourth proportional to 55,225.64, 82,862.84 and 42,853.16 is: 64,298.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,225.64 : 82,862.84 = 42,853.16 : x
  2. Step 2: Convert to fraction form
    55,225.64/82,862.84 = 42,853.16/x
  3. Step 3: Cross multiply
    55,225.64x = 82,862.84 × 42,853.16
  4. Step 4: Simplify right side
    55,225.64x = 3,550,934,540.57
  5. Step 5: Solve for x
    x = 3,550,934,540.57/55,225.64
  6. Step 6: Final answer
    x = 64,298.66

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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.