Home / 66,417.06-99,625.41-19,673.58

Finding the Fourth Proportional to 66,417.06, 99,625.41 and 19,673.58

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Solution

The fourth proportional to 66,417.06, 99,625.41 and 19,673.58 is: 29,510.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,417.06 : 99,625.41 = 19,673.58 : x
  2. Step 2: Convert to fraction form
    66,417.06/99,625.41 = 19,673.58/x
  3. Step 3: Cross multiply
    66,417.06x = 99,625.41 × 19,673.58
  4. Step 4: Simplify right side
    66,417.06x = 1,959,988,473.67
  5. Step 5: Solve for x
    x = 1,959,988,473.67/66,417.06
  6. Step 6: Final answer
    x = 29,510.32

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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.