Home / 85,840.25-118,463.19-48,114.50

Finding the Fourth Proportional to 85,840.25, 118,463.19 and 48,114.50

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Solution

The fourth proportional to 85,840.25, 118,463.19 and 48,114.50 is: 66,400.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,840.25 : 118,463.19 = 48,114.50 : x
  2. Step 2: Convert to fraction form
    85,840.25/118,463.19 = 48,114.50/x
  3. Step 3: Cross multiply
    85,840.25x = 118,463.19 × 48,114.50
  4. Step 4: Simplify right side
    85,840.25x = 5,699,797,155.26
  5. Step 5: Solve for x
    x = 5,699,797,155.26/85,840.25
  6. Step 6: Final answer
    x = 66,400.05

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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.