Home / 88,265.08-121,776-50,020.60

Finding the Fourth Proportional to 88,265.08, 121,776 and 50,020.60

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Solution

The fourth proportional to 88,265.08, 121,776 and 50,020.60 is: 69,011.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,265.08 : 121,776 = 50,020.60 : x
  2. Step 2: Convert to fraction form
    88,265.08/121,776 = 50,020.60/x
  3. Step 3: Cross multiply
    88,265.08x = 121,776 × 50,020.60
  4. Step 4: Simplify right side
    88,265.08x = 6,091,308,585.60
  5. Step 5: Solve for x
    x = 6,091,308,585.60/88,265.08
  6. Step 6: Final answer
    x = 69,011.53

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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.