Home / 96,989.40-133,835.91-54,547.02

Finding the Fourth Proportional to 96,989.40, 133,835.91 and 54,547.02

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Solution

The fourth proportional to 96,989.40, 133,835.91 and 54,547.02 is: 75,269.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,989.40 : 133,835.91 = 54,547.02 : x
  2. Step 2: Convert to fraction form
    96,989.40/133,835.91 = 54,547.02/x
  3. Step 3: Cross multiply
    96,989.40x = 133,835.91 × 54,547.02
  4. Step 4: Simplify right side
    96,989.40x = 7,300,350,059.49
  5. Step 5: Solve for x
    x = 7,300,350,059.49/96,989.40
  6. Step 6: Final answer
    x = 75,269.57

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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.