Home / 97,341.81-134,331.45-54,320.85

Finding the Fourth Proportional to 97,341.81, 134,331.45 and 54,320.85

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Solution

The fourth proportional to 97,341.81, 134,331.45 and 54,320.85 is: 74,962.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,341.81 : 134,331.45 = 54,320.85 : x
  2. Step 2: Convert to fraction form
    97,341.81/134,331.45 = 54,320.85/x
  3. Step 3: Cross multiply
    97,341.81x = 134,331.45 × 54,320.85
  4. Step 4: Simplify right side
    97,341.81x = 7,296,997,738.27
  5. Step 5: Solve for x
    x = 7,296,997,738.27/97,341.81
  6. Step 6: Final answer
    x = 74,962.62

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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.