Home / 105,035.33-144,950.48-57,288.67

Finding the Fourth Proportional to 105,035.33, 144,950.48 and 57,288.67

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Solution

The fourth proportional to 105,035.33, 144,950.48 and 57,288.67 is: 79,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,035.33 : 144,950.48 = 57,288.67 : x
  2. Step 2: Convert to fraction form
    105,035.33/144,950.48 = 57,288.67/x
  3. Step 3: Cross multiply
    105,035.33x = 144,950.48 × 57,288.67
  4. Step 4: Simplify right side
    105,035.33x = 8,304,020,637.92
  5. Step 5: Solve for x
    x = 8,304,020,637.92/105,035.33
  6. Step 6: Final answer
    x = 79,059.31

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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.