Home / 145,225.67-217,923.75-60,979.34

Finding the Fourth Proportional to 145,225.67, 217,923.75 and 60,979.34

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Solution

The fourth proportional to 145,225.67, 217,923.75 and 60,979.34 is: 91,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,225.67 : 217,923.75 = 60,979.34 : x
  2. Step 2: Convert to fraction form
    145,225.67/217,923.75 = 60,979.34/x
  3. Step 3: Cross multiply
    145,225.67x = 217,923.75 × 60,979.34
  4. Step 4: Simplify right side
    145,225.67x = 13,288,845,355.71
  5. Step 5: Solve for x
    x = 13,288,845,355.71/145,225.67
  6. Step 6: Final answer
    x = 91,504.80

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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.