Home / 56,315.07-84,475.40-16,868.42

Finding the Fourth Proportional to 56,315.07, 84,475.40 and 16,868.42

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Solution

The fourth proportional to 56,315.07, 84,475.40 and 16,868.42 is: 25,303.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,315.07 : 84,475.40 = 16,868.42 : x
  2. Step 2: Convert to fraction form
    56,315.07/84,475.40 = 16,868.42/x
  3. Step 3: Cross multiply
    56,315.07x = 84,475.40 × 16,868.42
  4. Step 4: Simplify right side
    56,315.07x = 1,424,966,526.87
  5. Step 5: Solve for x
    x = 1,424,966,526.87/56,315.07
  6. Step 6: Final answer
    x = 25,303.47

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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.