Home / 53,130.56-79,476.96-47,211.20

Finding the Fourth Proportional to 53,130.56, 79,476.96 and 47,211.20

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Solution

The fourth proportional to 53,130.56, 79,476.96 and 47,211.20 is: 70,622.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,130.56 : 79,476.96 = 47,211.20 : x
  2. Step 2: Convert to fraction form
    53,130.56/79,476.96 = 47,211.20/x
  3. Step 3: Cross multiply
    53,130.56x = 79,476.96 × 47,211.20
  4. Step 4: Simplify right side
    53,130.56x = 3,752,202,653.95
  5. Step 5: Solve for x
    x = 3,752,202,653.95/53,130.56
  6. Step 6: Final answer
    x = 70,622.31

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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.