Home / 83,707.02-115,516.49-45,981.27

Finding the Fourth Proportional to 83,707.02, 115,516.49 and 45,981.27

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Solution

The fourth proportional to 83,707.02, 115,516.49 and 45,981.27 is: 63,454.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,707.02 : 115,516.49 = 45,981.27 : x
  2. Step 2: Convert to fraction form
    83,707.02/115,516.49 = 45,981.27/x
  3. Step 3: Cross multiply
    83,707.02x = 115,516.49 × 45,981.27
  4. Step 4: Simplify right side
    83,707.02x = 5,311,594,686.24
  5. Step 5: Solve for x
    x = 5,311,594,686.24/83,707.02
  6. Step 6: Final answer
    x = 63,454.59

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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.