Home / 83,683.19-115,483.62-45,957.44

Finding the Fourth Proportional to 83,683.19, 115,483.62 and 45,957.44

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Solution

The fourth proportional to 83,683.19, 115,483.62 and 45,957.44 is: 63,421.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,683.19 : 115,483.62 = 45,957.44 : x
  2. Step 2: Convert to fraction form
    83,683.19/115,483.62 = 45,957.44/x
  3. Step 3: Cross multiply
    83,683.19x = 115,483.62 × 45,957.44
  4. Step 4: Simplify right side
    83,683.19x = 5,307,331,998.18
  5. Step 5: Solve for x
    x = 5,307,331,998.18/83,683.19
  6. Step 6: Final answer
    x = 63,421.72

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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.