Home / 85,833.87-118,427.28-51,364.74

Finding the Fourth Proportional to 85,833.87, 118,427.28 and 51,364.74

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Solution

The fourth proportional to 85,833.87, 118,427.28 and 51,364.74 is: 70,869.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,833.87 : 118,427.28 = 51,364.74 : x
  2. Step 2: Convert to fraction form
    85,833.87/118,427.28 = 51,364.74/x
  3. Step 3: Cross multiply
    85,833.87x = 118,427.28 × 51,364.74
  4. Step 4: Simplify right side
    85,833.87x = 6,082,986,446.11
  5. Step 5: Solve for x
    x = 6,082,986,446.11/85,833.87
  6. Step 6: Final answer
    x = 70,869.30

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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.