Home / 56,771.76-78,341.25-34,097.28

Finding the Fourth Proportional to 56,771.76, 78,341.25 and 34,097.28

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Solution

The fourth proportional to 56,771.76, 78,341.25 and 34,097.28 is: 47,051.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,771.76 : 78,341.25 = 34,097.28 : x
  2. Step 2: Convert to fraction form
    56,771.76/78,341.25 = 34,097.28/x
  3. Step 3: Cross multiply
    56,771.76x = 78,341.25 × 34,097.28
  4. Step 4: Simplify right side
    56,771.76x = 2,671,223,536.80
  5. Step 5: Solve for x
    x = 2,671,223,536.80/56,771.76
  6. Step 6: Final answer
    x = 47,051.98

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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.