Home / 88,555.36-122,209.52-50,314.36

Finding the Fourth Proportional to 88,555.36, 122,209.52 and 50,314.36

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Solution

The fourth proportional to 88,555.36, 122,209.52 and 50,314.36 is: 69,435.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,555.36 : 122,209.52 = 50,314.36 : x
  2. Step 2: Convert to fraction form
    88,555.36/122,209.52 = 50,314.36/x
  3. Step 3: Cross multiply
    88,555.36x = 122,209.52 × 50,314.36
  4. Step 4: Simplify right side
    88,555.36x = 6,148,893,784.71
  5. Step 5: Solve for x
    x = 6,148,893,784.71/88,555.36
  6. Step 6: Final answer
    x = 69,435.59

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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.