Home / 86,785.89-119,762.94-49,060.14

Finding the Fourth Proportional to 86,785.89, 119,762.94 and 49,060.14

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Solution

The fourth proportional to 86,785.89, 119,762.94 and 49,060.14 is: 67,702.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,785.89 : 119,762.94 = 49,060.14 : x
  2. Step 2: Convert to fraction form
    86,785.89/119,762.94 = 49,060.14/x
  3. Step 3: Cross multiply
    86,785.89x = 119,762.94 × 49,060.14
  4. Step 4: Simplify right side
    86,785.89x = 5,875,586,603.21
  5. Step 5: Solve for x
    x = 5,875,586,603.21/86,785.89
  6. Step 6: Final answer
    x = 67,702.10

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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.