Home / 104,349.24-143,776.62-70,756.92

Finding the Fourth Proportional to 104,349.24, 143,776.62 and 70,756.92

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Solution

The fourth proportional to 104,349.24, 143,776.62 and 70,756.92 is: 97,491.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,349.24 : 143,776.62 = 70,756.92 : x
  2. Step 2: Convert to fraction form
    104,349.24/143,776.62 = 70,756.92/x
  3. Step 3: Cross multiply
    104,349.24x = 143,776.62 × 70,756.92
  4. Step 4: Simplify right side
    104,349.24x = 10,173,190,799.21
  5. Step 5: Solve for x
    x = 10,173,190,799.21/104,349.24
  6. Step 6: Final answer
    x = 97,491.76

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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.