Home / 106,315.34-159,417.66-39,700.69

Finding the Fourth Proportional to 106,315.34, 159,417.66 and 39,700.69

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Solution

The fourth proportional to 106,315.34, 159,417.66 and 39,700.69 is: 59,530.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,315.34 : 159,417.66 = 39,700.69 : x
  2. Step 2: Convert to fraction form
    106,315.34/159,417.66 = 39,700.69/x
  3. Step 3: Cross multiply
    106,315.34x = 159,417.66 × 39,700.69
  4. Step 4: Simplify right side
    106,315.34x = 6,328,991,100.19
  5. Step 5: Solve for x
    x = 6,328,991,100.19/106,315.34
  6. Step 6: Final answer
    x = 59,530.37

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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.