Home / 63,617.06-87,874.20-48,417.38

Finding the Fourth Proportional to 63,617.06, 87,874.20 and 48,417.38

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Solution

The fourth proportional to 63,617.06, 87,874.20 and 48,417.38 is: 66,878.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,617.06 : 87,874.20 = 48,417.38 : x
  2. Step 2: Convert to fraction form
    63,617.06/87,874.20 = 48,417.38/x
  3. Step 3: Cross multiply
    63,617.06x = 87,874.20 × 48,417.38
  4. Step 4: Simplify right side
    63,617.06x = 4,254,638,533.60
  5. Step 5: Solve for x
    x = 4,254,638,533.60/63,617.06
  6. Step 6: Final answer
    x = 66,878.89

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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.