Home / 104,040.95-143,577.01-58,720.84

Finding the Fourth Proportional to 104,040.95, 143,577.01 and 58,720.84

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Solution

The fourth proportional to 104,040.95, 143,577.01 and 58,720.84 is: 81,035.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,040.95 : 143,577.01 = 58,720.84 : x
  2. Step 2: Convert to fraction form
    104,040.95/143,577.01 = 58,720.84/x
  3. Step 3: Cross multiply
    104,040.95x = 143,577.01 × 58,720.84
  4. Step 4: Simplify right side
    104,040.95x = 8,430,962,631.89
  5. Step 5: Solve for x
    x = 8,430,962,631.89/104,040.95
  6. Step 6: Final answer
    x = 81,035.04

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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.