Home / 88,434.40-122,009.52-54,407.92

Finding the Fourth Proportional to 88,434.40, 122,009.52 and 54,407.92

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Solution

The fourth proportional to 88,434.40, 122,009.52 and 54,407.92 is: 75,064.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,434.40 : 122,009.52 = 54,407.92 : x
  2. Step 2: Convert to fraction form
    88,434.40/122,009.52 = 54,407.92/x
  3. Step 3: Cross multiply
    88,434.40x = 122,009.52 × 54,407.92
  4. Step 4: Simplify right side
    88,434.40x = 6,638,284,203.40
  5. Step 5: Solve for x
    x = 6,638,284,203.40/88,434.40
  6. Step 6: Final answer
    x = 75,064.50

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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.