Home / 104,008.17-143,541.74-63,748.69

Finding the Fourth Proportional to 104,008.17, 143,541.74 and 63,748.69

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Solution

The fourth proportional to 104,008.17, 143,541.74 and 63,748.69 is: 87,979.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,008.17 : 143,541.74 = 63,748.69 : x
  2. Step 2: Convert to fraction form
    104,008.17/143,541.74 = 63,748.69/x
  3. Step 3: Cross multiply
    104,008.17x = 143,541.74 × 63,748.69
  4. Step 4: Simplify right side
    104,008.17x = 9,150,597,885.32
  5. Step 5: Solve for x
    x = 9,150,597,885.32/104,008.17
  6. Step 6: Final answer
    x = 87,979.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.