Home / 76,075.30-105,020.70-50,624.14

Finding the Fourth Proportional to 76,075.30, 105,020.70 and 50,624.14

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Solution

The fourth proportional to 76,075.30, 105,020.70 and 50,624.14 is: 69,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,075.30 : 105,020.70 = 50,624.14 : x
  2. Step 2: Convert to fraction form
    76,075.30/105,020.70 = 50,624.14/x
  3. Step 3: Cross multiply
    76,075.30x = 105,020.70 × 50,624.14
  4. Step 4: Simplify right side
    76,075.30x = 5,316,582,619.70
  5. Step 5: Solve for x
    x = 5,316,582,619.70/76,075.30
  6. Step 6: Final answer
    x = 69,885.79

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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.