Home / 83,946.27-115,901.66-64,530.77

Finding the Fourth Proportional to 83,946.27, 115,901.66 and 64,530.77

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Solution

The fourth proportional to 83,946.27, 115,901.66 and 64,530.77 is: 89,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,946.27 : 115,901.66 = 64,530.77 : x
  2. Step 2: Convert to fraction form
    83,946.27/115,901.66 = 64,530.77/x
  3. Step 3: Cross multiply
    83,946.27x = 115,901.66 × 64,530.77
  4. Step 4: Simplify right side
    83,946.27x = 7,479,223,364.08
  5. Step 5: Solve for x
    x = 7,479,223,364.08/83,946.27
  6. Step 6: Final answer
    x = 89,095.36

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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.