Home / 88,068.63-121,534.71-50,343.69

Finding the Fourth Proportional to 88,068.63, 121,534.71 and 50,343.69

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Solution

The fourth proportional to 88,068.63, 121,534.71 and 50,343.69 is: 69,474.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,068.63 : 121,534.71 = 50,343.69 : x
  2. Step 2: Convert to fraction form
    88,068.63/121,534.71 = 50,343.69/x
  3. Step 3: Cross multiply
    88,068.63x = 121,534.71 × 50,343.69
  4. Step 4: Simplify right side
    88,068.63x = 6,118,505,764.48
  5. Step 5: Solve for x
    x = 6,118,505,764.48/88,068.63
  6. Step 6: Final answer
    x = 69,474.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.