Home / 66,543.08-91,929.60-43,627.35

Finding the Fourth Proportional to 66,543.08, 91,929.60 and 43,627.35

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Solution

The fourth proportional to 66,543.08, 91,929.60 and 43,627.35 is: 60,271.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,543.08 : 91,929.60 = 43,627.35 : x
  2. Step 2: Convert to fraction form
    66,543.08/91,929.60 = 43,627.35/x
  3. Step 3: Cross multiply
    66,543.08x = 91,929.60 × 43,627.35
  4. Step 4: Simplify right side
    66,543.08x = 4,010,644,834.56
  5. Step 5: Solve for x
    x = 4,010,644,834.56/66,543.08
  6. Step 6: Final answer
    x = 60,271.41

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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.