Home / 53,170.00-73,374.63-28,970.84

Finding the Fourth Proportional to 53,170.00, 73,374.63 and 28,970.84

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Solution

The fourth proportional to 53,170.00, 73,374.63 and 28,970.84 is: 39,979.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,170.00 : 73,374.63 = 28,970.84 : x
  2. Step 2: Convert to fraction form
    53,170.00/73,374.63 = 28,970.84/x
  3. Step 3: Cross multiply
    53,170.00x = 73,374.63 × 28,970.84
  4. Step 4: Simplify right side
    53,170.00x = 2,125,724,740.59
  5. Step 5: Solve for x
    x = 2,125,724,740.59/53,170.00
  6. Step 6: Final answer
    x = 39,979.78

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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.