Home / 51,417.51-76,904.83-45,758.65

Finding the Fourth Proportional to 51,417.51, 76,904.83 and 45,758.65

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Solution

The fourth proportional to 51,417.51, 76,904.83 and 45,758.65 is: 68,440.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,417.51 : 76,904.83 = 45,758.65 : x
  2. Step 2: Convert to fraction form
    51,417.51/76,904.83 = 45,758.65/x
  3. Step 3: Cross multiply
    51,417.51x = 76,904.83 × 45,758.65
  4. Step 4: Simplify right side
    51,417.51x = 3,519,060,927.77
  5. Step 5: Solve for x
    x = 3,519,060,927.77/51,417.51
  6. Step 6: Final answer
    x = 68,440.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.