Home / 83,396.02-115,070.34-47,585.14

Finding the Fourth Proportional to 83,396.02, 115,070.34 and 47,585.14

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Solution

The fourth proportional to 83,396.02, 115,070.34 and 47,585.14 is: 65,658.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,396.02 : 115,070.34 = 47,585.14 : x
  2. Step 2: Convert to fraction form
    83,396.02/115,070.34 = 47,585.14/x
  3. Step 3: Cross multiply
    83,396.02x = 115,070.34 × 47,585.14
  4. Step 4: Simplify right side
    83,396.02x = 5,475,638,238.75
  5. Step 5: Solve for x
    x = 5,475,638,238.75/83,396.02
  6. Step 6: Final answer
    x = 65,658.27

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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.