Home / 106,315.29-159,477.38-39,748.68

Finding the Fourth Proportional to 106,315.29, 159,477.38 and 39,748.68

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Solution

The fourth proportional to 106,315.29, 159,477.38 and 39,748.68 is: 59,624.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,315.29 : 159,477.38 = 39,748.68 : x
  2. Step 2: Convert to fraction form
    106,315.29/159,477.38 = 39,748.68/x
  3. Step 3: Cross multiply
    106,315.29x = 159,477.38 × 39,748.68
  4. Step 4: Simplify right side
    106,315.29x = 6,339,014,547.47
  5. Step 5: Solve for x
    x = 6,339,014,547.47/106,315.29
  6. Step 6: Final answer
    x = 59,624.68

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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.