Home / 96,999.04-133,857.28-53,978.24

Finding the Fourth Proportional to 96,999.04, 133,857.28 and 53,978.24

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Solution

The fourth proportional to 96,999.04, 133,857.28 and 53,978.24 is: 74,489.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,999.04 : 133,857.28 = 53,978.24 : x
  2. Step 2: Convert to fraction form
    96,999.04/133,857.28 = 53,978.24/x
  3. Step 3: Cross multiply
    96,999.04x = 133,857.28 × 53,978.24
  4. Step 4: Simplify right side
    96,999.04x = 7,225,380,385.59
  5. Step 5: Solve for x
    x = 7,225,380,385.59/96,999.04
  6. Step 6: Final answer
    x = 74,489.19

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1.5x scale

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.