Home / 69,815.15-96,346.58-39,602.51

Finding the Fourth Proportional to 69,815.15, 96,346.58 and 39,602.51

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Solution

The fourth proportional to 69,815.15, 96,346.58 and 39,602.51 is: 54,652.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,815.15 : 96,346.58 = 39,602.51 : x
  2. Step 2: Convert to fraction form
    69,815.15/96,346.58 = 39,602.51/x
  3. Step 3: Cross multiply
    69,815.15x = 96,346.58 × 39,602.51
  4. Step 4: Simplify right side
    69,815.15x = 3,815,566,440.77
  5. Step 5: Solve for x
    x = 3,815,566,440.77/69,815.15
  6. Step 6: Final answer
    x = 54,652.41

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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.