Home / 121,140.37-181,747.79-62,017.55

Finding the Fourth Proportional to 121,140.37, 181,747.79 and 62,017.55

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Solution

The fourth proportional to 121,140.37, 181,747.79 and 62,017.55 is: 93,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,140.37 : 181,747.79 = 62,017.55 : x
  2. Step 2: Convert to fraction form
    121,140.37/181,747.79 = 62,017.55/x
  3. Step 3: Cross multiply
    121,140.37x = 181,747.79 × 62,017.55
  4. Step 4: Simplify right side
    121,140.37x = 11,271,552,653.71
  5. Step 5: Solve for x
    x = 11,271,552,653.71/121,140.37
  6. Step 6: Final answer
    x = 93,045.39

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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.