Home / 86,288.84-119,111.11-50,490.39

Finding the Fourth Proportional to 86,288.84, 119,111.11 and 50,490.39

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Solution

The fourth proportional to 86,288.84, 119,111.11 and 50,490.39 is: 69,695.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,288.84 : 119,111.11 = 50,490.39 : x
  2. Step 2: Convert to fraction form
    86,288.84/119,111.11 = 50,490.39/x
  3. Step 3: Cross multiply
    86,288.84x = 119,111.11 × 50,490.39
  4. Step 4: Simplify right side
    86,288.84x = 6,013,966,047.67
  5. Step 5: Solve for x
    x = 6,013,966,047.67/86,288.84
  6. Step 6: Final answer
    x = 69,695.75

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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.