Home / 52,845.58-72,926.87-28,971.74

Finding the Fourth Proportional to 52,845.58, 72,926.87 and 28,971.74

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Solution

The fourth proportional to 52,845.58, 72,926.87 and 28,971.74 is: 39,980.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,845.58 : 72,926.87 = 28,971.74 : x
  2. Step 2: Convert to fraction form
    52,845.58/72,926.87 = 28,971.74/x
  3. Step 3: Cross multiply
    52,845.58x = 72,926.87 × 28,971.74
  4. Step 4: Simplify right side
    52,845.58x = 2,112,817,952.02
  5. Step 5: Solve for x
    x = 2,112,817,952.02/52,845.58
  6. Step 6: Final answer
    x = 39,980.98

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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.