Home / 124,857.20-187,313.55-58,261.01

Finding the Fourth Proportional to 124,857.20, 187,313.55 and 58,261.01

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Solution

The fourth proportional to 124,857.20, 187,313.55 and 58,261.01 is: 87,404.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,857.20 : 187,313.55 = 58,261.01 : x
  2. Step 2: Convert to fraction form
    124,857.20/187,313.55 = 58,261.01/x
  3. Step 3: Cross multiply
    124,857.20x = 187,313.55 × 58,261.01
  4. Step 4: Simplify right side
    124,857.20x = 10,913,075,454.64
  5. Step 5: Solve for x
    x = 10,913,075,454.64/124,857.20
  6. Step 6: Final answer
    x = 87,404.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.