Home / 55,811.07-83,315.13-47,827.71

Finding the Fourth Proportional to 55,811.07, 83,315.13 and 47,827.71

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Solution

The fourth proportional to 55,811.07, 83,315.13 and 47,827.71 is: 71,397.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,811.07 : 83,315.13 = 47,827.71 : x
  2. Step 2: Convert to fraction form
    55,811.07/83,315.13 = 47,827.71/x
  3. Step 3: Cross multiply
    55,811.07x = 83,315.13 × 47,827.71
  4. Step 4: Simplify right side
    55,811.07x = 3,984,771,876.25
  5. Step 5: Solve for x
    x = 3,984,771,876.25/55,811.07
  6. Step 6: Final answer
    x = 71,397.52

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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.