Home / 97,341.86-134,331.51-54,320.90

Finding the Fourth Proportional to 97,341.86, 134,331.51 and 54,320.90

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Solution

The fourth proportional to 97,341.86, 134,331.51 and 54,320.90 is: 74,962.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,341.86 : 134,331.51 = 54,320.90 : x
  2. Step 2: Convert to fraction form
    97,341.86/134,331.51 = 54,320.90/x
  3. Step 3: Cross multiply
    97,341.86x = 134,331.51 × 54,320.90
  4. Step 4: Simplify right side
    97,341.86x = 7,297,008,521.56
  5. Step 5: Solve for x
    x = 7,297,008,521.56/97,341.86
  6. Step 6: Final answer
    x = 74,962.70

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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.