Home / 105,033.03-144,948.06-57,290.82

Finding the Fourth Proportional to 105,033.03, 144,948.06 and 57,290.82

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Solution

The fourth proportional to 105,033.03, 144,948.06 and 57,290.82 is: 79,062.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,033.03 : 144,948.06 = 57,290.82 : x
  2. Step 2: Convert to fraction form
    105,033.03/144,948.06 = 57,290.82/x
  3. Step 3: Cross multiply
    105,033.03x = 144,948.06 × 57,290.82
  4. Step 4: Simplify right side
    105,033.03x = 8,304,193,214.81
  5. Step 5: Solve for x
    x = 8,304,193,214.81/105,033.03
  6. Step 6: Final answer
    x = 79,062.68

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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.