Home / 69,812.10-96,337.94-37,980.32

Finding the Fourth Proportional to 69,812.10, 96,337.94 and 37,980.32

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Solution

The fourth proportional to 69,812.10, 96,337.94 and 37,980.32 is: 52,411.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,812.10 : 96,337.94 = 37,980.32 : x
  2. Step 2: Convert to fraction form
    69,812.10/96,337.94 = 37,980.32/x
  3. Step 3: Cross multiply
    69,812.10x = 96,337.94 × 37,980.32
  4. Step 4: Simplify right side
    69,812.10x = 3,658,945,117.75
  5. Step 5: Solve for x
    x = 3,658,945,117.75/69,812.10
  6. Step 6: Final answer
    x = 52,411.33

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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.