Home / 90,927.76-136,463.64-38,373.52

Finding the Fourth Proportional to 90,927.76, 136,463.64 and 38,373.52

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Solution

The fourth proportional to 90,927.76, 136,463.64 and 38,373.52 is: 57,590.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,927.76 : 136,463.64 = 38,373.52 : x
  2. Step 2: Convert to fraction form
    90,927.76/136,463.64 = 38,373.52/x
  3. Step 3: Cross multiply
    90,927.76x = 136,463.64 × 38,373.52
  4. Step 4: Simplify right side
    90,927.76x = 5,236,590,218.81
  5. Step 5: Solve for x
    x = 5,236,590,218.81/90,927.76
  6. Step 6: Final answer
    x = 57,590.67

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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.