Home / 70,775.16-97,672.37-40,566.30

Finding the Fourth Proportional to 70,775.16, 97,672.37 and 40,566.30

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Solution

The fourth proportional to 70,775.16, 97,672.37 and 40,566.30 is: 55,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,775.16 : 97,672.37 = 40,566.30 : x
  2. Step 2: Convert to fraction form
    70,775.16/97,672.37 = 40,566.30/x
  3. Step 3: Cross multiply
    70,775.16x = 97,672.37 × 40,566.30
  4. Step 4: Simplify right side
    70,775.16x = 3,962,206,663.13
  5. Step 5: Solve for x
    x = 3,962,206,663.13/70,775.16
  6. Step 6: Final answer
    x = 55,983.01

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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.