Home / 90,518.16-135,783.90-23,957.84

Finding the Fourth Proportional to 90,518.16, 135,783.90 and 23,957.84

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Solution

The fourth proportional to 90,518.16, 135,783.90 and 23,957.84 is: 35,938.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,518.16 : 135,783.90 = 23,957.84 : x
  2. Step 2: Convert to fraction form
    90,518.16/135,783.90 = 23,957.84/x
  3. Step 3: Cross multiply
    90,518.16x = 135,783.90 × 23,957.84
  4. Step 4: Simplify right side
    90,518.16x = 3,253,088,271.86
  5. Step 5: Solve for x
    x = 3,253,088,271.86/90,518.16
  6. Step 6: Final answer
    x = 35,938.52

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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.