Home / 79,788.65-110,077.44-45,784.85

Finding the Fourth Proportional to 79,788.65, 110,077.44 and 45,784.85

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Solution

The fourth proportional to 79,788.65, 110,077.44 and 45,784.85 is: 63,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,788.65 : 110,077.44 = 45,784.85 : x
  2. Step 2: Convert to fraction form
    79,788.65/110,077.44 = 45,784.85/x
  3. Step 3: Cross multiply
    79,788.65x = 110,077.44 × 45,784.85
  4. Step 4: Simplify right side
    79,788.65x = 5,039,878,528.40
  5. Step 5: Solve for x
    x = 5,039,878,528.40/79,788.65
  6. Step 6: Final answer
    x = 63,165.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.