Home / 71,948.28-107,373-64,075.08

Finding the Fourth Proportional to 71,948.28, 107,373 and 64,075.08

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Solution

The fourth proportional to 71,948.28, 107,373 and 64,075.08 is: 95,623.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,948.28 : 107,373 = 64,075.08 : x
  2. Step 2: Convert to fraction form
    71,948.28/107,373 = 64,075.08/x
  3. Step 3: Cross multiply
    71,948.28x = 107,373 × 64,075.08
  4. Step 4: Simplify right side
    71,948.28x = 6,879,933,564.84
  5. Step 5: Solve for x
    x = 6,879,933,564.84/71,948.28
  6. Step 6: Final answer
    x = 95,623.32

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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.