Home / 90,740.56-136,157.40-37,472.08

Finding the Fourth Proportional to 90,740.56, 136,157.40 and 37,472.08

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Solution

The fourth proportional to 90,740.56, 136,157.40 and 37,472.08 is: 56,227.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,740.56 : 136,157.40 = 37,472.08 : x
  2. Step 2: Convert to fraction form
    90,740.56/136,157.40 = 37,472.08/x
  3. Step 3: Cross multiply
    90,740.56x = 136,157.40 × 37,472.08
  4. Step 4: Simplify right side
    90,740.56x = 5,102,100,985.39
  5. Step 5: Solve for x
    x = 5,102,100,985.39/90,740.56
  6. Step 6: Final answer
    x = 56,227.35

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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.