Home / 94,881.18-142,345.13-66,855.96

Finding the Fourth Proportional to 94,881.18, 142,345.13 and 66,855.96

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Solution

The fourth proportional to 94,881.18, 142,345.13 and 66,855.96 is: 100,300.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,881.18 : 142,345.13 = 66,855.96 : x
  2. Step 2: Convert to fraction form
    94,881.18/142,345.13 = 66,855.96/x
  3. Step 3: Cross multiply
    94,881.18x = 142,345.13 × 66,855.96
  4. Step 4: Simplify right side
    94,881.18x = 9,516,619,983.20
  5. Step 5: Solve for x
    x = 9,516,619,983.20/94,881.18
  6. Step 6: Final answer
    x = 100,300.40

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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.