Home / 77,683.47-116,500.50-25,080.72

Finding the Fourth Proportional to 77,683.47, 116,500.50 and 25,080.72

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Solution

The fourth proportional to 77,683.47, 116,500.50 and 25,080.72 is: 37,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,683.47 : 116,500.50 = 25,080.72 : x
  2. Step 2: Convert to fraction form
    77,683.47/116,500.50 = 25,080.72/x
  3. Step 3: Cross multiply
    77,683.47x = 116,500.50 × 25,080.72
  4. Step 4: Simplify right side
    77,683.47x = 2,921,916,420.36
  5. Step 5: Solve for x
    x = 2,921,916,420.36/77,683.47
  6. Step 6: Final answer
    x = 37,613.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.