Home / 50,774.64-70,071.60-28,116.10

Finding the Fourth Proportional to 50,774.64, 70,071.60 and 28,116.10

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Solution

The fourth proportional to 50,774.64, 70,071.60 and 28,116.10 is: 38,801.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,774.64 : 70,071.60 = 28,116.10 : x
  2. Step 2: Convert to fraction form
    50,774.64/70,071.60 = 28,116.10/x
  3. Step 3: Cross multiply
    50,774.64x = 70,071.60 × 28,116.10
  4. Step 4: Simplify right side
    50,774.64x = 1,970,140,112.76
  5. Step 5: Solve for x
    x = 1,970,140,112.76/50,774.64
  6. Step 6: Final answer
    x = 38,801.66

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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.