Home / 60,690.74-91,047.02-18,570.02

Finding the Fourth Proportional to 60,690.74, 91,047.02 and 18,570.02

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Solution

The fourth proportional to 60,690.74, 91,047.02 and 18,570.02 is: 27,858.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,690.74 : 91,047.02 = 18,570.02 : x
  2. Step 2: Convert to fraction form
    60,690.74/91,047.02 = 18,570.02/x
  3. Step 3: Cross multiply
    60,690.74x = 91,047.02 × 18,570.02
  4. Step 4: Simplify right side
    60,690.74x = 1,690,744,434.26
  5. Step 5: Solve for x
    x = 1,690,744,434.26/60,690.74
  6. Step 6: Final answer
    x = 27,858.36

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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.