Home / 66,707.02-92,067.06-38,429.14

Finding the Fourth Proportional to 66,707.02, 92,067.06 and 38,429.14

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Solution

The fourth proportional to 66,707.02, 92,067.06 and 38,429.14 is: 53,038.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,707.02 : 92,067.06 = 38,429.14 : x
  2. Step 2: Convert to fraction form
    66,707.02/92,067.06 = 38,429.14/x
  3. Step 3: Cross multiply
    66,707.02x = 92,067.06 × 38,429.14
  4. Step 4: Simplify right side
    66,707.02x = 3,538,057,938.13
  5. Step 5: Solve for x
    x = 3,538,057,938.13/66,707.02
  6. Step 6: Final answer
    x = 53,038.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.