Home / 103,921.80-143,377.70-58,594.12

Finding the Fourth Proportional to 103,921.80, 143,377.70 and 58,594.12

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Solution

The fourth proportional to 103,921.80, 143,377.70 and 58,594.12 is: 80,840.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,921.80 : 143,377.70 = 58,594.12 : x
  2. Step 2: Convert to fraction form
    103,921.80/143,377.70 = 58,594.12/x
  3. Step 3: Cross multiply
    103,921.80x = 143,377.70 × 58,594.12
  4. Step 4: Simplify right side
    103,921.80x = 8,401,090,159.12
  5. Step 5: Solve for x
    x = 8,401,090,159.12/103,921.80
  6. Step 6: Final answer
    x = 80,840.50

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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.