Home / 76,329.54-105,313.23-49,473.18

Finding the Fourth Proportional to 76,329.54, 105,313.23 and 49,473.18

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Solution

The fourth proportional to 76,329.54, 105,313.23 and 49,473.18 is: 68,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,329.54 : 105,313.23 = 49,473.18 : x
  2. Step 2: Convert to fraction form
    76,329.54/105,313.23 = 49,473.18/x
  3. Step 3: Cross multiply
    76,329.54x = 105,313.23 × 49,473.18
  4. Step 4: Simplify right side
    76,329.54x = 5,210,180,384.17
  5. Step 5: Solve for x
    x = 5,210,180,384.17/76,329.54
  6. Step 6: Final answer
    x = 68,259.03

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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.