Home / 75,273.04-112,928.54-53,129.66

Finding the Fourth Proportional to 75,273.04, 112,928.54 and 53,129.66

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Solution

The fourth proportional to 75,273.04, 112,928.54 and 53,129.66 is: 79,707.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,273.04 : 112,928.54 = 53,129.66 : x
  2. Step 2: Convert to fraction form
    75,273.04/112,928.54 = 53,129.66/x
  3. Step 3: Cross multiply
    75,273.04x = 112,928.54 × 53,129.66
  4. Step 4: Simplify right side
    75,273.04x = 5,999,854,934.50
  5. Step 5: Solve for x
    x = 5,999,854,934.50/75,273.04
  6. Step 6: Final answer
    x = 79,707.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.