Home / 90,713.36-136,089.44-38,095.76

Finding the Fourth Proportional to 90,713.36, 136,089.44 and 38,095.76

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Solution

The fourth proportional to 90,713.36, 136,089.44 and 38,095.76 is: 57,151.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,713.36 : 136,089.44 = 38,095.76 : x
  2. Step 2: Convert to fraction form
    90,713.36/136,089.44 = 38,095.76/x
  3. Step 3: Cross multiply
    90,713.36x = 136,089.44 × 38,095.76
  4. Step 4: Simplify right side
    90,713.36x = 5,184,430,644.77
  5. Step 5: Solve for x
    x = 5,184,430,644.77/90,713.36
  6. Step 6: Final answer
    x = 57,151.79

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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.