Home / 107,461.08-161,159.22-45,117.72

Finding the Fourth Proportional to 107,461.08, 161,159.22 and 45,117.72

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Solution

The fourth proportional to 107,461.08, 161,159.22 and 45,117.72 is: 67,662.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,461.08 : 161,159.22 = 45,117.72 : x
  2. Step 2: Convert to fraction form
    107,461.08/161,159.22 = 45,117.72/x
  3. Step 3: Cross multiply
    107,461.08x = 161,159.22 × 45,117.72
  4. Step 4: Simplify right side
    107,461.08x = 7,271,136,563.38
  5. Step 5: Solve for x
    x = 7,271,136,563.38/107,461.08
  6. Step 6: Final answer
    x = 67,662.98

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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.