Home / 88,407.22-122,004.59-54,435.31

Finding the Fourth Proportional to 88,407.22, 122,004.59 and 54,435.31

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Solution

The fourth proportional to 88,407.22, 122,004.59 and 54,435.31 is: 75,122.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,407.22 : 122,004.59 = 54,435.31 : x
  2. Step 2: Convert to fraction form
    88,407.22/122,004.59 = 54,435.31/x
  3. Step 3: Cross multiply
    88,407.22x = 122,004.59 × 54,435.31
  4. Step 4: Simplify right side
    88,407.22x = 6,641,357,068.05
  5. Step 5: Solve for x
    x = 6,641,357,068.05/88,407.22
  6. Step 6: Final answer
    x = 75,122.34

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1.5x scale

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.