Home / 51,123.13-76,684.70-23,421.13

Finding the Fourth Proportional to 51,123.13, 76,684.70 and 23,421.13

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Solution

The fourth proportional to 51,123.13, 76,684.70 and 23,421.13 is: 35,131.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,123.13 : 76,684.70 = 23,421.13 : x
  2. Step 2: Convert to fraction form
    51,123.13/76,684.70 = 23,421.13/x
  3. Step 3: Cross multiply
    51,123.13x = 76,684.70 × 23,421.13
  4. Step 4: Simplify right side
    51,123.13x = 1,796,041,827.18
  5. Step 5: Solve for x
    x = 1,796,041,827.18/51,123.13
  6. Step 6: Final answer
    x = 35,131.69

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1.5x scale

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.