Home / 53,209.05-73,431.80-29,335.68

Finding the Fourth Proportional to 53,209.05, 73,431.80 and 29,335.68

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Solution

The fourth proportional to 53,209.05, 73,431.80 and 29,335.68 is: 40,485.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,209.05 : 73,431.80 = 29,335.68 : x
  2. Step 2: Convert to fraction form
    53,209.05/73,431.80 = 29,335.68/x
  3. Step 3: Cross multiply
    53,209.05x = 73,431.80 × 29,335.68
  4. Step 4: Simplify right side
    53,209.05x = 2,154,171,639.95
  5. Step 5: Solve for x
    x = 2,154,171,639.95/53,209.05
  6. Step 6: Final answer
    x = 40,485.06

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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.