Home / 111,037.90-166,686.45-63,690.70

Finding the Fourth Proportional to 111,037.90, 166,686.45 and 63,690.70

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Solution

The fourth proportional to 111,037.90, 166,686.45 and 63,690.70 is: 95,610.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,037.90 : 166,686.45 = 63,690.70 : x
  2. Step 2: Convert to fraction form
    111,037.90/166,686.45 = 63,690.70/x
  3. Step 3: Cross multiply
    111,037.90x = 166,686.45 × 63,690.70
  4. Step 4: Simplify right side
    111,037.90x = 10,616,376,681.02
  5. Step 5: Solve for x
    x = 10,616,376,681.02/111,037.90
  6. Step 6: Final answer
    x = 95,610.39

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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.