Home / 102,964.12-154,145.70-63,402.52

Finding the Fourth Proportional to 102,964.12, 154,145.70 and 63,402.52

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Solution

The fourth proportional to 102,964.12, 154,145.70 and 63,402.52 is: 94,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,964.12 : 154,145.70 = 63,402.52 : x
  2. Step 2: Convert to fraction form
    102,964.12/154,145.70 = 63,402.52/x
  3. Step 3: Cross multiply
    102,964.12x = 154,145.70 × 63,402.52
  4. Step 4: Simplify right side
    102,964.12x = 9,773,225,827.16
  5. Step 5: Solve for x
    x = 9,773,225,827.16/102,964.12
  6. Step 6: Final answer
    x = 94,918.75

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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.