Home / 87,129.77-130,573.01-47,062.37

Finding the Fourth Proportional to 87,129.77, 130,573.01 and 47,062.37

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Solution

The fourth proportional to 87,129.77, 130,573.01 and 47,062.37 is: 70,527.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,129.77 : 130,573.01 = 47,062.37 : x
  2. Step 2: Convert to fraction form
    87,129.77/130,573.01 = 47,062.37/x
  3. Step 3: Cross multiply
    87,129.77x = 130,573.01 × 47,062.37
  4. Step 4: Simplify right side
    87,129.77x = 6,145,075,308.63
  5. Step 5: Solve for x
    x = 6,145,075,308.63/87,129.77
  6. Step 6: Final answer
    x = 70,527.85

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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.