Home / 121,055.04-181,632.51-53,551.62

Finding the Fourth Proportional to 121,055.04, 181,632.51 and 53,551.62

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Solution

The fourth proportional to 121,055.04, 181,632.51 and 53,551.62 is: 80,349.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,055.04 : 181,632.51 = 53,551.62 : x
  2. Step 2: Convert to fraction form
    121,055.04/181,632.51 = 53,551.62/x
  3. Step 3: Cross multiply
    121,055.04x = 181,632.51 × 53,551.62
  4. Step 4: Simplify right side
    121,055.04x = 9,726,715,155.17
  5. Step 5: Solve for x
    x = 9,726,715,155.17/121,055.04
  6. Step 6: Final answer
    x = 80,349.53

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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.