Home / 88,133.04-121,615.56-50,406.48

Finding the Fourth Proportional to 88,133.04, 121,615.56 and 50,406.48

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Solution

The fourth proportional to 88,133.04, 121,615.56 and 50,406.48 is: 69,556.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,133.04 : 121,615.56 = 50,406.48 : x
  2. Step 2: Convert to fraction form
    88,133.04/121,615.56 = 50,406.48/x
  3. Step 3: Cross multiply
    88,133.04x = 121,615.56 × 50,406.48
  4. Step 4: Simplify right side
    88,133.04x = 6,130,212,292.83
  5. Step 5: Solve for x
    x = 6,130,212,292.83/88,133.04
  6. Step 6: Final answer
    x = 69,556.35

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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.