Home / 70,243.30-105,273.01-61,336.18

Finding the Fourth Proportional to 70,243.30, 105,273.01 and 61,336.18

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Solution

The fourth proportional to 70,243.30, 105,273.01 and 61,336.18 is: 91,923.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,243.30 : 105,273.01 = 61,336.18 : x
  2. Step 2: Convert to fraction form
    70,243.30/105,273.01 = 61,336.18/x
  3. Step 3: Cross multiply
    70,243.30x = 105,273.01 × 61,336.18
  4. Step 4: Simplify right side
    70,243.30x = 6,457,044,290.50
  5. Step 5: Solve for x
    x = 6,457,044,290.50/70,243.30
  6. Step 6: Final answer
    x = 91,923.99

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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.