Home / 49,520.22-74,214.60-42,915.48

Finding the Fourth Proportional to 49,520.22, 74,214.60 and 42,915.48

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Solution

The fourth proportional to 49,520.22, 74,214.60 and 42,915.48 is: 64,316.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,520.22 : 74,214.60 = 42,915.48 : x
  2. Step 2: Convert to fraction form
    49,520.22/74,214.60 = 42,915.48/x
  3. Step 3: Cross multiply
    49,520.22x = 74,214.60 × 42,915.48
  4. Step 4: Simplify right side
    49,520.22x = 3,184,955,182.01
  5. Step 5: Solve for x
    x = 3,184,955,182.01/49,520.22
  6. Step 6: Final answer
    x = 64,316.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.