Home / 112,823.60-169,429.80-60,335.60

Finding the Fourth Proportional to 112,823.60, 169,429.80 and 60,335.60

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Solution

The fourth proportional to 112,823.60, 169,429.80 and 60,335.60 is: 90,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,823.60 : 169,429.80 = 60,335.60 : x
  2. Step 2: Convert to fraction form
    112,823.60/169,429.80 = 60,335.60/x
  3. Step 3: Cross multiply
    112,823.60x = 169,429.80 × 60,335.60
  4. Step 4: Simplify right side
    112,823.60x = 10,222,648,640.88
  5. Step 5: Solve for x
    x = 10,222,648,640.88/112,823.60
  6. Step 6: Final answer
    x = 90,607.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.