Home / 85,923.18-128,886.93-23,593.50

Finding the Fourth Proportional to 85,923.18, 128,886.93 and 23,593.50

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Solution

The fourth proportional to 85,923.18, 128,886.93 and 23,593.50 is: 35,390.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,923.18 : 128,886.93 = 23,593.50 : x
  2. Step 2: Convert to fraction form
    85,923.18/128,886.93 = 23,593.50/x
  3. Step 3: Cross multiply
    85,923.18x = 128,886.93 × 23,593.50
  4. Step 4: Simplify right side
    85,923.18x = 3,040,893,782.96
  5. Step 5: Solve for x
    x = 3,040,893,782.96/85,923.18
  6. Step 6: Final answer
    x = 35,390.84

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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.