Home / 58,125.16-87,157.41-20,679.77

Finding the Fourth Proportional to 58,125.16, 87,157.41 and 20,679.77

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Solution

The fourth proportional to 58,125.16, 87,157.41 and 20,679.77 is: 31,008.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,125.16 : 87,157.41 = 20,679.77 : x
  2. Step 2: Convert to fraction form
    58,125.16/87,157.41 = 20,679.77/x
  3. Step 3: Cross multiply
    58,125.16x = 87,157.41 × 20,679.77
  4. Step 4: Simplify right side
    58,125.16x = 1,802,395,410.49
  5. Step 5: Solve for x
    x = 1,802,395,410.49/58,125.16
  6. Step 6: Final answer
    x = 31,008.87

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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.