Home / 52,538.96-78,704.76-39,406.16

Finding the Fourth Proportional to 52,538.96, 78,704.76 and 39,406.16

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Solution

The fourth proportional to 52,538.96, 78,704.76 and 39,406.16 is: 59,031.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,538.96 : 78,704.76 = 39,406.16 : x
  2. Step 2: Convert to fraction form
    52,538.96/78,704.76 = 39,406.16/x
  3. Step 3: Cross multiply
    52,538.96x = 78,704.76 × 39,406.16
  4. Step 4: Simplify right side
    52,538.96x = 3,101,452,365.32
  5. Step 5: Solve for x
    x = 3,101,452,365.32/52,538.96
  6. Step 6: Final answer
    x = 59,031.48

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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.