Home / 83,944.27-115,898.90-64,528.77

Finding the Fourth Proportional to 83,944.27, 115,898.90 and 64,528.77

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Solution

The fourth proportional to 83,944.27, 115,898.90 and 64,528.77 is: 89,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,944.27 : 115,898.90 = 64,528.77 : x
  2. Step 2: Convert to fraction form
    83,944.27/115,898.90 = 64,528.77/x
  3. Step 3: Cross multiply
    83,944.27x = 115,898.90 × 64,528.77
  4. Step 4: Simplify right side
    83,944.27x = 7,478,813,461.35
  5. Step 5: Solve for x
    x = 7,478,813,461.35/83,944.27
  6. Step 6: Final answer
    x = 89,092.60

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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.