Home / 92,786.65-128,045.55-50,345.17

Finding the Fourth Proportional to 92,786.65, 128,045.55 and 50,345.17

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Solution

The fourth proportional to 92,786.65, 128,045.55 and 50,345.17 is: 69,476.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,786.65 : 128,045.55 = 50,345.17 : x
  2. Step 2: Convert to fraction form
    92,786.65/128,045.55 = 50,345.17/x
  3. Step 3: Cross multiply
    92,786.65x = 128,045.55 × 50,345.17
  4. Step 4: Simplify right side
    92,786.65x = 6,446,474,982.49
  5. Step 5: Solve for x
    x = 6,446,474,982.49/92,786.65
  6. Step 6: Final answer
    x = 69,476.32

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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.