Home / 52,813.07-78,810.13-47,204.63

Finding the Fourth Proportional to 52,813.07, 78,810.13 and 47,204.63

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Solution

The fourth proportional to 52,813.07, 78,810.13 and 47,204.63 is: 70,440.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,813.07 : 78,810.13 = 47,204.63 : x
  2. Step 2: Convert to fraction form
    52,813.07/78,810.13 = 47,204.63/x
  3. Step 3: Cross multiply
    52,813.07x = 78,810.13 × 47,204.63
  4. Step 4: Simplify right side
    52,813.07x = 3,720,202,514.84
  5. Step 5: Solve for x
    x = 3,720,202,514.84/52,813.07
  6. Step 6: Final answer
    x = 70,440.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.