Home / 70,592.24-97,435.31-40,387.07

Finding the Fourth Proportional to 70,592.24, 97,435.31 and 40,387.07

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Solution

The fourth proportional to 70,592.24, 97,435.31 and 40,387.07 is: 55,744.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,592.24 : 97,435.31 = 40,387.07 : x
  2. Step 2: Convert to fraction form
    70,592.24/97,435.31 = 40,387.07/x
  3. Step 3: Cross multiply
    70,592.24x = 97,435.31 × 40,387.07
  4. Step 4: Simplify right side
    70,592.24x = 3,935,125,996.33
  5. Step 5: Solve for x
    x = 3,935,125,996.33/70,592.24
  6. Step 6: Final answer
    x = 55,744.46

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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.