Home / 79,090.02-109,140.96-47,276.46

Finding the Fourth Proportional to 79,090.02, 109,140.96 and 47,276.46

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Solution

The fourth proportional to 79,090.02, 109,140.96 and 47,276.46 is: 65,239.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,090.02 : 109,140.96 = 47,276.46 : x
  2. Step 2: Convert to fraction form
    79,090.02/109,140.96 = 47,276.46/x
  3. Step 3: Cross multiply
    79,090.02x = 109,140.96 × 47,276.46
  4. Step 4: Simplify right side
    79,090.02x = 5,159,798,229.80
  5. Step 5: Solve for x
    x = 5,159,798,229.80/79,090.02
  6. Step 6: Final answer
    x = 65,239.56

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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.