Home / 96,725.61-133,482.72-53,121.75

Finding the Fourth Proportional to 96,725.61, 133,482.72 and 53,121.75

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Solution

The fourth proportional to 96,725.61, 133,482.72 and 53,121.75 is: 73,308.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,725.61 : 133,482.72 = 53,121.75 : x
  2. Step 2: Convert to fraction form
    96,725.61/133,482.72 = 53,121.75/x
  3. Step 3: Cross multiply
    96,725.61x = 133,482.72 × 53,121.75
  4. Step 4: Simplify right side
    96,725.61x = 7,090,835,681.16
  5. Step 5: Solve for x
    x = 7,090,835,681.16/96,725.61
  6. Step 6: Final answer
    x = 73,308.77

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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.