Home / 84,455.67-116,591.02-48,638.76

Finding the Fourth Proportional to 84,455.67, 116,591.02 and 48,638.76

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Solution

The fourth proportional to 84,455.67, 116,591.02 and 48,638.76 is: 67,145.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,455.67 : 116,591.02 = 48,638.76 : x
  2. Step 2: Convert to fraction form
    84,455.67/116,591.02 = 48,638.76/x
  3. Step 3: Cross multiply
    84,455.67x = 116,591.02 × 48,638.76
  4. Step 4: Simplify right side
    84,455.67x = 5,670,842,639.94
  5. Step 5: Solve for x
    x = 5,670,842,639.94/84,455.67
  6. Step 6: Final answer
    x = 67,145.79

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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.