Home / 74,654.10-111,851.55-48,345.30

Finding the Fourth Proportional to 74,654.10, 111,851.55 and 48,345.30

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Solution

The fourth proportional to 74,654.10, 111,851.55 and 48,345.30 is: 72,434.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,654.10 : 111,851.55 = 48,345.30 : x
  2. Step 2: Convert to fraction form
    74,654.10/111,851.55 = 48,345.30/x
  3. Step 3: Cross multiply
    74,654.10x = 111,851.55 × 48,345.30
  4. Step 4: Simplify right side
    74,654.10x = 5,407,496,740.22
  5. Step 5: Solve for x
    x = 5,407,496,740.22/74,654.10
  6. Step 6: Final answer
    x = 72,434.02

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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.