Home / 86,705.52-119,666.32-50,915.12

Finding the Fourth Proportional to 86,705.52, 119,666.32 and 50,915.12

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Solution

The fourth proportional to 86,705.52, 119,666.32 and 50,915.12 is: 70,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,705.52 : 119,666.32 = 50,915.12 : x
  2. Step 2: Convert to fraction form
    86,705.52/119,666.32 = 50,915.12/x
  3. Step 3: Cross multiply
    86,705.52x = 119,666.32 × 50,915.12
  4. Step 4: Simplify right side
    86,705.52x = 6,092,825,042.76
  5. Step 5: Solve for x
    x = 6,092,825,042.76/86,705.52
  6. Step 6: Final answer
    x = 70,270.32

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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.