Home / 110,850.42-166,275.63-66,421.53

Finding the Fourth Proportional to 110,850.42, 166,275.63 and 66,421.53

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Solution

The fourth proportional to 110,850.42, 166,275.63 and 66,421.53 is: 99,632.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,850.42 : 166,275.63 = 66,421.53 : x
  2. Step 2: Convert to fraction form
    110,850.42/166,275.63 = 66,421.53/x
  3. Step 3: Cross multiply
    110,850.42x = 166,275.63 × 66,421.53
  4. Step 4: Simplify right side
    110,850.42x = 11,044,281,746.31
  5. Step 5: Solve for x
    x = 11,044,281,746.31/110,850.42
  6. Step 6: Final answer
    x = 99,632.30

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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.