Home / 103,807.98-143,254.34-58,500.52

Finding the Fourth Proportional to 103,807.98, 143,254.34 and 58,500.52

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Solution

The fourth proportional to 103,807.98, 143,254.34 and 58,500.52 is: 80,730.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,807.98 : 143,254.34 = 58,500.52 : x
  2. Step 2: Convert to fraction form
    103,807.98/143,254.34 = 58,500.52/x
  3. Step 3: Cross multiply
    103,807.98x = 143,254.34 × 58,500.52
  4. Step 4: Simplify right side
    103,807.98x = 8,380,453,382.26
  5. Step 5: Solve for x
    x = 8,380,453,382.26/103,807.98
  6. Step 6: Final answer
    x = 80,730.34

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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.