Home / 70,488.02-97,274.72-38,656.64

Finding the Fourth Proportional to 70,488.02, 97,274.72 and 38,656.64

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Solution

The fourth proportional to 70,488.02, 97,274.72 and 38,656.64 is: 53,346.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,488.02 : 97,274.72 = 38,656.64 : x
  2. Step 2: Convert to fraction form
    70,488.02/97,274.72 = 38,656.64/x
  3. Step 3: Cross multiply
    70,488.02x = 97,274.72 × 38,656.64
  4. Step 4: Simplify right side
    70,488.02x = 3,760,313,832.14
  5. Step 5: Solve for x
    x = 3,760,313,832.14/70,488.02
  6. Step 6: Final answer
    x = 53,346.85

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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.