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Finding the Fourth Proportional to 88,740.76, 122,467.21 and 48,458.26

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Solution

The fourth proportional to 88,740.76, 122,467.21 and 48,458.26 is: 66,875.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,740.76 : 122,467.21 = 48,458.26 : x
  2. Step 2: Convert to fraction form
    88,740.76/122,467.21 = 48,458.26/x
  3. Step 3: Cross multiply
    88,740.76x = 122,467.21 × 48,458.26
  4. Step 4: Simplify right side
    88,740.76x = 5,934,547,903.65
  5. Step 5: Solve for x
    x = 5,934,547,903.65/88,740.76
  6. Step 6: Final answer
    x = 66,875.11

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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.