Home / 76,362.24-105,379.20-42,834.24

Finding the Fourth Proportional to 76,362.24, 105,379.20 and 42,834.24

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Solution

The fourth proportional to 76,362.24, 105,379.20 and 42,834.24 is: 59,110.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,362.24 : 105,379.20 = 42,834.24 : x
  2. Step 2: Convert to fraction form
    76,362.24/105,379.20 = 42,834.24/x
  3. Step 3: Cross multiply
    76,362.24x = 105,379.20 × 42,834.24
  4. Step 4: Simplify right side
    76,362.24x = 4,513,837,943.81
  5. Step 5: Solve for x
    x = 4,513,837,943.81/76,362.24
  6. Step 6: Final answer
    x = 59,110.86

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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.