Home / 108,962.66-163,690.04-64,618.51

Finding the Fourth Proportional to 108,962.66, 163,690.04 and 64,618.51

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Solution

The fourth proportional to 108,962.66, 163,690.04 and 64,618.51 is: 97,073.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,962.66 : 163,690.04 = 64,618.51 : x
  2. Step 2: Convert to fraction form
    108,962.66/163,690.04 = 64,618.51/x
  3. Step 3: Cross multiply
    108,962.66x = 163,690.04 × 64,618.51
  4. Step 4: Simplify right side
    108,962.66x = 10,577,405,668.19
  5. Step 5: Solve for x
    x = 10,577,405,668.19/108,962.66
  6. Step 6: Final answer
    x = 97,073.67

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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.