Home / 79,623.07-119,455.13-57,159.79

Finding the Fourth Proportional to 79,623.07, 119,455.13 and 57,159.79

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Solution

The fourth proportional to 79,623.07, 119,455.13 and 57,159.79 is: 85,754.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,623.07 : 119,455.13 = 57,159.79 : x
  2. Step 2: Convert to fraction form
    79,623.07/119,455.13 = 57,159.79/x
  3. Step 3: Cross multiply
    79,623.07x = 119,455.13 × 57,159.79
  4. Step 4: Simplify right side
    79,623.07x = 6,828,030,145.22
  5. Step 5: Solve for x
    x = 6,828,030,145.22/79,623.07
  6. Step 6: Final answer
    x = 85,754.42

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1.5x scale

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.