Home / 87,277.48-130,926.47-31,125.57

Finding the Fourth Proportional to 87,277.48, 130,926.47 and 31,125.57

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Solution

The fourth proportional to 87,277.48, 130,926.47 and 31,125.57 is: 46,692.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,277.48 : 130,926.47 = 31,125.57 : x
  2. Step 2: Convert to fraction form
    87,277.48/130,926.47 = 31,125.57/x
  3. Step 3: Cross multiply
    87,277.48x = 130,926.47 × 31,125.57
  4. Step 4: Simplify right side
    87,277.48x = 4,075,161,084.65
  5. Step 5: Solve for x
    x = 4,075,161,084.65/87,277.48
  6. Step 6: Final answer
    x = 46,692.01

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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.