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Finding the Fourth Proportional to 85,953.54, 118,617.93 and 48,230.58

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Solution

The fourth proportional to 85,953.54, 118,617.93 and 48,230.58 is: 66,559.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,953.54 : 118,617.93 = 48,230.58 : x
  2. Step 2: Convert to fraction form
    85,953.54/118,617.93 = 48,230.58/x
  3. Step 3: Cross multiply
    85,953.54x = 118,617.93 × 48,230.58
  4. Step 4: Simplify right side
    85,953.54x = 5,721,011,562.30
  5. Step 5: Solve for x
    x = 5,721,011,562.30/85,953.54
  6. Step 6: Final answer
    x = 66,559.35

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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.