Home / 87,158.22-130,792.62-37,238.70

Finding the Fourth Proportional to 87,158.22, 130,792.62 and 37,238.70

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Solution

The fourth proportional to 87,158.22, 130,792.62 and 37,238.70 is: 55,881.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,158.22 : 130,792.62 = 37,238.70 : x
  2. Step 2: Convert to fraction form
    87,158.22/130,792.62 = 37,238.70/x
  3. Step 3: Cross multiply
    87,158.22x = 130,792.62 × 37,238.70
  4. Step 4: Simplify right side
    87,158.22x = 4,870,547,138.39
  5. Step 5: Solve for x
    x = 4,870,547,138.39/87,158.22
  6. Step 6: Final answer
    x = 55,881.67

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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.