Home / 104,254.47-143,870.20-58,313.57

Finding the Fourth Proportional to 104,254.47, 143,870.20 and 58,313.57

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Solution

The fourth proportional to 104,254.47, 143,870.20 and 58,313.57 is: 80,472.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,254.47 : 143,870.20 = 58,313.57 : x
  2. Step 2: Convert to fraction form
    104,254.47/143,870.20 = 58,313.57/x
  3. Step 3: Cross multiply
    104,254.47x = 143,870.20 × 58,313.57
  4. Step 4: Simplify right side
    104,254.47x = 8,389,584,113.48
  5. Step 5: Solve for x
    x = 8,389,584,113.48/104,254.47
  6. Step 6: Final answer
    x = 80,472.18

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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.