Home / 60,690.19-91,034.80-18,570.10

Finding the Fourth Proportional to 60,690.19, 91,034.80 and 18,570.10

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Solution

The fourth proportional to 60,690.19, 91,034.80 and 18,570.10 is: 27,855.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,690.19 : 91,034.80 = 18,570.10 : x
  2. Step 2: Convert to fraction form
    60,690.19/91,034.80 = 18,570.10/x
  3. Step 3: Cross multiply
    60,690.19x = 91,034.80 × 18,570.10
  4. Step 4: Simplify right side
    60,690.19x = 1,690,525,339.48
  5. Step 5: Solve for x
    x = 1,690,525,339.48/60,690.19
  6. Step 6: Final answer
    x = 27,855.00

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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.