Home / 94,739.16-142,075.38-31,542.12

Finding the Fourth Proportional to 94,739.16, 142,075.38 and 31,542.12

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Solution

The fourth proportional to 94,739.16, 142,075.38 and 31,542.12 is: 47,302.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,739.16 : 142,075.38 = 31,542.12 : x
  2. Step 2: Convert to fraction form
    94,739.16/142,075.38 = 31,542.12/x
  3. Step 3: Cross multiply
    94,739.16x = 142,075.38 × 31,542.12
  4. Step 4: Simplify right side
    94,739.16x = 4,481,358,685.01
  5. Step 5: Solve for x
    x = 4,481,358,685.01/94,739.16
  6. Step 6: Final answer
    x = 47,302.07

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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.