Home / 94,751.50-142,216.62-69,715.30

Finding the Fourth Proportional to 94,751.50, 142,216.62 and 69,715.30

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Solution

The fourth proportional to 94,751.50, 142,216.62 and 69,715.30 is: 104,638.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,751.50 : 142,216.62 = 69,715.30 : x
  2. Step 2: Convert to fraction form
    94,751.50/142,216.62 = 69,715.30/x
  3. Step 3: Cross multiply
    94,751.50x = 142,216.62 × 69,715.30
  4. Step 4: Simplify right side
    94,751.50x = 9,914,674,328.29
  5. Step 5: Solve for x
    x = 9,914,674,328.29/94,751.50
  6. Step 6: Final answer
    x = 104,638.71

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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.