Home / 56,970.62-78,622.45-34,316.71

Finding the Fourth Proportional to 56,970.62, 78,622.45 and 34,316.71

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Solution

The fourth proportional to 56,970.62, 78,622.45 and 34,316.71 is: 47,358.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,970.62 : 78,622.45 = 34,316.71 : x
  2. Step 2: Convert to fraction form
    56,970.62/78,622.45 = 34,316.71/x
  3. Step 3: Cross multiply
    56,970.62x = 78,622.45 × 34,316.71
  4. Step 4: Simplify right side
    56,970.62x = 2,698,063,816.14
  5. Step 5: Solve for x
    x = 2,698,063,816.14/56,970.62
  6. Step 6: Final answer
    x = 47,358.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.