Home / 70,835.22-97,752.96-40,621.68

Finding the Fourth Proportional to 70,835.22, 97,752.96 and 40,621.68

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Solution

The fourth proportional to 70,835.22, 97,752.96 and 40,621.68 is: 56,058.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,835.22 : 97,752.96 = 40,621.68 : x
  2. Step 2: Convert to fraction form
    70,835.22/97,752.96 = 40,621.68/x
  3. Step 3: Cross multiply
    70,835.22x = 97,752.96 × 40,621.68
  4. Step 4: Simplify right side
    70,835.22x = 3,970,889,460.17
  5. Step 5: Solve for x
    x = 3,970,889,460.17/70,835.22
  6. Step 6: Final answer
    x = 56,058.12

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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.