Home / 58,652.28-80,918.93-38,520.07

Finding the Fourth Proportional to 58,652.28, 80,918.93 and 38,520.07

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Solution

The fourth proportional to 58,652.28, 80,918.93 and 38,520.07 is: 53,143.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,652.28 : 80,918.93 = 38,520.07 : x
  2. Step 2: Convert to fraction form
    58,652.28/80,918.93 = 38,520.07/x
  3. Step 3: Cross multiply
    58,652.28x = 80,918.93 × 38,520.07
  4. Step 4: Simplify right side
    58,652.28x = 3,117,002,741.93
  5. Step 5: Solve for x
    x = 3,117,002,741.93/58,652.28
  6. Step 6: Final answer
    x = 53,143.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.