Home / 88,298.70-121,852.08-48,012.72

Finding the Fourth Proportional to 88,298.70, 121,852.08 and 48,012.72

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Solution

The fourth proportional to 88,298.70, 121,852.08 and 48,012.72 is: 66,257.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,298.70 : 121,852.08 = 48,012.72 : x
  2. Step 2: Convert to fraction form
    88,298.70/121,852.08 = 48,012.72/x
  3. Step 3: Cross multiply
    88,298.70x = 121,852.08 × 48,012.72
  4. Step 4: Simplify right side
    88,298.70x = 5,850,449,798.46
  5. Step 5: Solve for x
    x = 5,850,449,798.46/88,298.70
  6. Step 6: Final answer
    x = 66,257.49

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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.