Home / 82,621.50-123,931.95-23,457.18

Finding the Fourth Proportional to 82,621.50, 123,931.95 and 23,457.18

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Solution

The fourth proportional to 82,621.50, 123,931.95 and 23,457.18 is: 35,185.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,621.50 : 123,931.95 = 23,457.18 : x
  2. Step 2: Convert to fraction form
    82,621.50/123,931.95 = 23,457.18/x
  3. Step 3: Cross multiply
    82,621.50x = 123,931.95 × 23,457.18
  4. Step 4: Simplify right side
    82,621.50x = 2,907,093,506.19
  5. Step 5: Solve for x
    x = 2,907,093,506.19/82,621.50
  6. Step 6: Final answer
    x = 35,185.68

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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.