Home / 118,526.18-177,789.42-48,405.51

Finding the Fourth Proportional to 118,526.18, 177,789.42 and 48,405.51

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Solution

The fourth proportional to 118,526.18, 177,789.42 and 48,405.51 is: 72,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,526.18 : 177,789.42 = 48,405.51 : x
  2. Step 2: Convert to fraction form
    118,526.18/177,789.42 = 48,405.51/x
  3. Step 3: Cross multiply
    118,526.18x = 177,789.42 × 48,405.51
  4. Step 4: Simplify right side
    118,526.18x = 8,605,987,547.70
  5. Step 5: Solve for x
    x = 8,605,987,547.70/118,526.18
  6. Step 6: Final answer
    x = 72,608.33

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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.