Home / 107,079.63-160,247.64-66,536.50

Finding the Fourth Proportional to 107,079.63, 160,247.64 and 66,536.50

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Solution

The fourth proportional to 107,079.63, 160,247.64 and 66,536.50 is: 99,573.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,079.63 : 160,247.64 = 66,536.50 : x
  2. Step 2: Convert to fraction form
    107,079.63/160,247.64 = 66,536.50/x
  3. Step 3: Cross multiply
    107,079.63x = 160,247.64 × 66,536.50
  4. Step 4: Simplify right side
    107,079.63x = 10,662,316,873.95
  5. Step 5: Solve for x
    x = 10,662,316,873.95/107,079.63
  6. Step 6: Final answer
    x = 99,573.72

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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.