Home / 97,005.44-133,869.30-53,988.50

Finding the Fourth Proportional to 97,005.44, 133,869.30 and 53,988.50

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Solution

The fourth proportional to 97,005.44, 133,869.30 and 53,988.50 is: 74,505.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,005.44 : 133,869.30 = 53,988.50 : x
  2. Step 2: Convert to fraction form
    97,005.44/133,869.30 = 53,988.50/x
  3. Step 3: Cross multiply
    97,005.44x = 133,869.30 × 53,988.50
  4. Step 4: Simplify right side
    97,005.44x = 7,227,402,703.05
  5. Step 5: Solve for x
    x = 7,227,402,703.05/97,005.44
  6. Step 6: Final answer
    x = 74,505.13

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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.