Home / 86,916.24-119,944.46-47,172.24

Finding the Fourth Proportional to 86,916.24, 119,944.46 and 47,172.24

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Solution

The fourth proportional to 86,916.24, 119,944.46 and 47,172.24 is: 65,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,916.24 : 119,944.46 = 47,172.24 : x
  2. Step 2: Convert to fraction form
    86,916.24/119,944.46 = 47,172.24/x
  3. Step 3: Cross multiply
    86,916.24x = 119,944.46 × 47,172.24
  4. Step 4: Simplify right side
    86,916.24x = 5,658,048,853.79
  5. Step 5: Solve for x
    x = 5,658,048,853.79/86,916.24
  6. Step 6: Final answer
    x = 65,097.72

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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.