Home / 121,311.60-181,881.24-46,368.60

Finding the Fourth Proportional to 121,311.60, 181,881.24 and 46,368.60

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Solution

The fourth proportional to 121,311.60, 181,881.24 and 46,368.60 is: 69,519.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,311.60 : 181,881.24 = 46,368.60 : x
  2. Step 2: Convert to fraction form
    121,311.60/181,881.24 = 46,368.60/x
  3. Step 3: Cross multiply
    121,311.60x = 181,881.24 × 46,368.60
  4. Step 4: Simplify right side
    121,311.60x = 8,433,578,465.06
  5. Step 5: Solve for x
    x = 8,433,578,465.06/121,311.60
  6. Step 6: Final answer
    x = 69,519.97

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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.