Home / 104,034.87-143,567.10-56,287.17

Finding the Fourth Proportional to 104,034.87, 143,567.10 and 56,287.17

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Solution

The fourth proportional to 104,034.87, 143,567.10 and 56,287.17 is: 77,675.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,034.87 : 143,567.10 = 56,287.17 : x
  2. Step 2: Convert to fraction form
    104,034.87/143,567.10 = 56,287.17/x
  3. Step 3: Cross multiply
    104,034.87x = 143,567.10 × 56,287.17
  4. Step 4: Simplify right side
    104,034.87x = 8,080,985,764.11
  5. Step 5: Solve for x
    x = 8,080,985,764.11/104,034.87
  6. Step 6: Final answer
    x = 77,675.74

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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.