Home / 79,318.02-109,483.35-51,023.70

Finding the Fourth Proportional to 79,318.02, 109,483.35 and 51,023.70

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Solution

The fourth proportional to 79,318.02, 109,483.35 and 51,023.70 is: 70,428.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,318.02 : 109,483.35 = 51,023.70 : x
  2. Step 2: Convert to fraction form
    79,318.02/109,483.35 = 51,023.70/x
  3. Step 3: Cross multiply
    79,318.02x = 109,483.35 × 51,023.70
  4. Step 4: Simplify right side
    79,318.02x = 5,586,245,605.40
  5. Step 5: Solve for x
    x = 5,586,245,605.40/79,318.02
  6. Step 6: Final answer
    x = 70,428.46

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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.