Home / 108,835.42-163,316.15-45,649.91

Finding the Fourth Proportional to 108,835.42, 163,316.15 and 45,649.91

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Solution

The fourth proportional to 108,835.42, 163,316.15 and 45,649.91 is: 68,501.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,835.42 : 163,316.15 = 45,649.91 : x
  2. Step 2: Convert to fraction form
    108,835.42/163,316.15 = 45,649.91/x
  3. Step 3: Cross multiply
    108,835.42x = 163,316.15 × 45,649.91
  4. Step 4: Simplify right side
    108,835.42x = 7,455,368,071.46
  5. Step 5: Solve for x
    x = 7,455,368,071.46/108,835.42
  6. Step 6: Final answer
    x = 68,501.30

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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.