Home / 83,816.28-115,666.11-46,089.72

Finding the Fourth Proportional to 83,816.28, 115,666.11 and 46,089.72

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Solution

The fourth proportional to 83,816.28, 115,666.11 and 46,089.72 is: 63,603.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,816.28 : 115,666.11 = 46,089.72 : x
  2. Step 2: Convert to fraction form
    83,816.28/115,666.11 = 46,089.72/x
  3. Step 3: Cross multiply
    83,816.28x = 115,666.11 × 46,089.72
  4. Step 4: Simplify right side
    83,816.28x = 5,331,018,623.39
  5. Step 5: Solve for x
    x = 5,331,018,623.39/83,816.28
  6. Step 6: Final answer
    x = 63,603.62

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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.