Home / 57,742.02-86,621.16-18,302.22

Finding the Fourth Proportional to 57,742.02, 86,621.16 and 18,302.22

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Solution

The fourth proportional to 57,742.02, 86,621.16 and 18,302.22 is: 27,455.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,742.02 : 86,621.16 = 18,302.22 : x
  2. Step 2: Convert to fraction form
    57,742.02/86,621.16 = 18,302.22/x
  3. Step 3: Cross multiply
    57,742.02x = 86,621.16 × 18,302.22
  4. Step 4: Simplify right side
    57,742.02x = 1,585,359,526.98
  5. Step 5: Solve for x
    x = 1,585,359,526.98/57,742.02
  6. Step 6: Final answer
    x = 27,455.91

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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.