Home / 45,700.36-68,325.16-38,757.76

Finding the Fourth Proportional to 45,700.36, 68,325.16 and 38,757.76

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Solution

The fourth proportional to 45,700.36, 68,325.16 and 38,757.76 is: 57,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,700.36 : 68,325.16 = 38,757.76 : x
  2. Step 2: Convert to fraction form
    45,700.36/68,325.16 = 38,757.76/x
  3. Step 3: Cross multiply
    45,700.36x = 68,325.16 × 38,757.76
  4. Step 4: Simplify right side
    45,700.36x = 2,648,130,153.24
  5. Step 5: Solve for x
    x = 2,648,130,153.24/45,700.36
  6. Step 6: Final answer
    x = 57,945.50

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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.