Home / 45,442.60-62,688.79-29,305.64

Finding the Fourth Proportional to 45,442.60, 62,688.79 and 29,305.64

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Solution

The fourth proportional to 45,442.60, 62,688.79 and 29,305.64 is: 40,427.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,442.60 : 62,688.79 = 29,305.64 : x
  2. Step 2: Convert to fraction form
    45,442.60/62,688.79 = 29,305.64/x
  3. Step 3: Cross multiply
    45,442.60x = 62,688.79 × 29,305.64
  4. Step 4: Simplify right side
    45,442.60x = 1,837,135,111.78
  5. Step 5: Solve for x
    x = 1,837,135,111.78/45,442.60
  6. Step 6: Final answer
    x = 40,427.60

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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.