Home / 60,690.15-91,012.14-18,557.37

Finding the Fourth Proportional to 60,690.15, 91,012.14 and 18,557.37

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Solution

The fourth proportional to 60,690.15, 91,012.14 and 18,557.37 is: 27,829.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,690.15 : 91,012.14 = 18,557.37 : x
  2. Step 2: Convert to fraction form
    60,690.15/91,012.14 = 18,557.37/x
  3. Step 3: Cross multiply
    60,690.15x = 91,012.14 × 18,557.37
  4. Step 4: Simplify right side
    60,690.15x = 1,688,945,956.47
  5. Step 5: Solve for x
    x = 1,688,945,956.47/60,690.15
  6. Step 6: Final answer
    x = 27,829.00

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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.