Home / 116,885.71-161,303.02-63,170.60

Finding the Fourth Proportional to 116,885.71, 161,303.02 and 63,170.60

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Solution

The fourth proportional to 116,885.71, 161,303.02 and 63,170.60 is: 87,175.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,885.71 : 161,303.02 = 63,170.60 : x
  2. Step 2: Convert to fraction form
    116,885.71/161,303.02 = 63,170.60/x
  3. Step 3: Cross multiply
    116,885.71x = 161,303.02 × 63,170.60
  4. Step 4: Simplify right side
    116,885.71x = 10,189,607,590.77
  5. Step 5: Solve for x
    x = 10,189,607,590.77/116,885.71
  6. Step 6: Final answer
    x = 87,175.82

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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.