Home / 76,715.13-105,866.89-44,890.14

Finding the Fourth Proportional to 76,715.13, 105,866.89 and 44,890.14

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Solution

The fourth proportional to 76,715.13, 105,866.89 and 44,890.14 is: 61,948.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,715.13 : 105,866.89 = 44,890.14 : x
  2. Step 2: Convert to fraction form
    76,715.13/105,866.89 = 44,890.14/x
  3. Step 3: Cross multiply
    76,715.13x = 105,866.89 × 44,890.14
  4. Step 4: Simplify right side
    76,715.13x = 4,752,378,871.90
  5. Step 5: Solve for x
    x = 4,752,378,871.90/76,715.13
  6. Step 6: Final answer
    x = 61,948.40

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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.