Home / 88,498.57-122,129.35-48,212.32

Finding the Fourth Proportional to 88,498.57, 122,129.35 and 48,212.32

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Solution

The fourth proportional to 88,498.57, 122,129.35 and 48,212.32 is: 66,533.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,498.57 : 122,129.35 = 48,212.32 : x
  2. Step 2: Convert to fraction form
    88,498.57/122,129.35 = 48,212.32/x
  3. Step 3: Cross multiply
    88,498.57x = 122,129.35 × 48,212.32
  4. Step 4: Simplify right side
    88,498.57x = 5,888,139,721.41
  5. Step 5: Solve for x
    x = 5,888,139,721.41/88,498.57
  6. Step 6: Final answer
    x = 66,533.73

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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.