Home / 88,247.63-121,782.53-47,961.50

Finding the Fourth Proportional to 88,247.63, 121,782.53 and 47,961.50

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Solution

The fourth proportional to 88,247.63, 121,782.53 and 47,961.50 is: 66,187.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,247.63 : 121,782.53 = 47,961.50 : x
  2. Step 2: Convert to fraction form
    88,247.63/121,782.53 = 47,961.50/x
  3. Step 3: Cross multiply
    88,247.63x = 121,782.53 × 47,961.50
  4. Step 4: Simplify right side
    88,247.63x = 5,840,872,812.60
  5. Step 5: Solve for x
    x = 5,840,872,812.60/88,247.63
  6. Step 6: Final answer
    x = 66,187.31

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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.