Home / 79,203.64-109,287.13-45,196.60

Finding the Fourth Proportional to 79,203.64, 109,287.13 and 45,196.60

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Solution

The fourth proportional to 79,203.64, 109,287.13 and 45,196.60 is: 62,363.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,203.64 : 109,287.13 = 45,196.60 : x
  2. Step 2: Convert to fraction form
    79,203.64/109,287.13 = 45,196.60/x
  3. Step 3: Cross multiply
    79,203.64x = 109,287.13 × 45,196.60
  4. Step 4: Simplify right side
    79,203.64x = 4,939,406,699.76
  5. Step 5: Solve for x
    x = 4,939,406,699.76/79,203.64
  6. Step 6: Final answer
    x = 62,363.38

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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.