Home / 84,509.02-116,701.47-54,346.72

Finding the Fourth Proportional to 84,509.02, 116,701.47 and 54,346.72

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Solution

The fourth proportional to 84,509.02, 116,701.47 and 54,346.72 is: 75,049.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,509.02 : 116,701.47 = 54,346.72 : x
  2. Step 2: Convert to fraction form
    84,509.02/116,701.47 = 54,346.72/x
  3. Step 3: Cross multiply
    84,509.02x = 116,701.47 × 54,346.72
  4. Step 4: Simplify right side
    84,509.02x = 6,342,342,113.68
  5. Step 5: Solve for x
    x = 6,342,342,113.68/84,509.02
  6. Step 6: Final answer
    x = 75,049.30

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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.