Home / 105,051.14-144,972.60-57,306.24

Finding the Fourth Proportional to 105,051.14, 144,972.60 and 57,306.24

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Solution

The fourth proportional to 105,051.14, 144,972.60 and 57,306.24 is: 79,083.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,051.14 : 144,972.60 = 57,306.24 : x
  2. Step 2: Convert to fraction form
    105,051.14/144,972.60 = 57,306.24/x
  3. Step 3: Cross multiply
    105,051.14x = 144,972.60 × 57,306.24
  4. Step 4: Simplify right side
    105,051.14x = 8,307,834,609.02
  5. Step 5: Solve for x
    x = 8,307,834,609.02/105,051.14
  6. Step 6: Final answer
    x = 79,083.72

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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.