Home / 86,621.88-119,569.98-50,841.90

Finding the Fourth Proportional to 86,621.88, 119,569.98 and 50,841.90

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Solution

The fourth proportional to 86,621.88, 119,569.98 and 50,841.90 is: 70,180.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,621.88 : 119,569.98 = 50,841.90 : x
  2. Step 2: Convert to fraction form
    86,621.88/119,569.98 = 50,841.90/x
  3. Step 3: Cross multiply
    86,621.88x = 119,569.98 × 50,841.90
  4. Step 4: Simplify right side
    86,621.88x = 6,079,164,966.16
  5. Step 5: Solve for x
    x = 6,079,164,966.16/86,621.88
  6. Step 6: Final answer
    x = 70,180.48

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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.