Home / 108,975.16-163,459.71-29,013.81

Finding the Fourth Proportional to 108,975.16, 163,459.71 and 29,013.81

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Solution

The fourth proportional to 108,975.16, 163,459.71 and 29,013.81 is: 43,519.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,975.16 : 163,459.71 = 29,013.81 : x
  2. Step 2: Convert to fraction form
    108,975.16/163,459.71 = 29,013.81/x
  3. Step 3: Cross multiply
    108,975.16x = 163,459.71 × 29,013.81
  4. Step 4: Simplify right side
    108,975.16x = 4,742,588,733.75
  5. Step 5: Solve for x
    x = 4,742,588,733.75/108,975.16
  6. Step 6: Final answer
    x = 43,519.91

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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.