Home / 97,030.79-133,899.01-54,008.86

Finding the Fourth Proportional to 97,030.79, 133,899.01 and 54,008.86

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Solution

The fourth proportional to 97,030.79, 133,899.01 and 54,008.86 is: 74,530.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,030.79 : 133,899.01 = 54,008.86 : x
  2. Step 2: Convert to fraction form
    97,030.79/133,899.01 = 54,008.86/x
  3. Step 3: Cross multiply
    97,030.79x = 133,899.01 × 54,008.86
  4. Step 4: Simplify right side
    97,030.79x = 7,231,731,945.69
  5. Step 5: Solve for x
    x = 7,231,731,945.69/97,030.79
  6. Step 6: Final answer
    x = 74,530.28

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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.