Home / 66,746.25-100,030.82-55,674.63

Finding the Fourth Proportional to 66,746.25, 100,030.82 and 55,674.63

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Solution

The fourth proportional to 66,746.25, 100,030.82 and 55,674.63 is: 83,438.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,746.25 : 100,030.82 = 55,674.63 : x
  2. Step 2: Convert to fraction form
    66,746.25/100,030.82 = 55,674.63/x
  3. Step 3: Cross multiply
    66,746.25x = 100,030.82 × 55,674.63
  4. Step 4: Simplify right side
    66,746.25x = 5,569,178,613.72
  5. Step 5: Solve for x
    x = 5,569,178,613.72/66,746.25
  6. Step 6: Final answer
    x = 83,438.08

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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.