Home / 85,935.42-118,562.40-51,954.30

Finding the Fourth Proportional to 85,935.42, 118,562.40 and 51,954.30

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Solution

The fourth proportional to 85,935.42, 118,562.40 and 51,954.30 is: 71,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,935.42 : 118,562.40 = 51,954.30 : x
  2. Step 2: Convert to fraction form
    85,935.42/118,562.40 = 51,954.30/x
  3. Step 3: Cross multiply
    85,935.42x = 118,562.40 × 51,954.30
  4. Step 4: Simplify right side
    85,935.42x = 6,159,826,498.32
  5. Step 5: Solve for x
    x = 6,159,826,498.32/85,935.42
  6. Step 6: Final answer
    x = 71,679.72

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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.