Home / 66,067.02-99,095.10-18,681.24

Finding the Fourth Proportional to 66,067.02, 99,095.10 and 18,681.24

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Solution

The fourth proportional to 66,067.02, 99,095.10 and 18,681.24 is: 28,020.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,067.02 : 99,095.10 = 18,681.24 : x
  2. Step 2: Convert to fraction form
    66,067.02/99,095.10 = 18,681.24/x
  3. Step 3: Cross multiply
    66,067.02x = 99,095.10 × 18,681.24
  4. Step 4: Simplify right side
    66,067.02x = 1,851,219,345.92
  5. Step 5: Solve for x
    x = 1,851,219,345.92/66,067.02
  6. Step 6: Final answer
    x = 28,020.32

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1.5x scale

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.