Home / 104,031.11-143,570.51-58,713.05

Finding the Fourth Proportional to 104,031.11, 143,570.51 and 58,713.05

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Solution

The fourth proportional to 104,031.11, 143,570.51 and 58,713.05 is: 81,028.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,031.11 : 143,570.51 = 58,713.05 : x
  2. Step 2: Convert to fraction form
    104,031.11/143,570.51 = 58,713.05/x
  3. Step 3: Cross multiply
    104,031.11x = 143,570.51 × 58,713.05
  4. Step 4: Simplify right side
    104,031.11x = 8,429,461,520.74
  5. Step 5: Solve for x
    x = 8,429,461,520.74/104,031.11
  6. Step 6: Final answer
    x = 81,028.28

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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.