Home / 70,820.74-97,722.48-40,607.34

Finding the Fourth Proportional to 70,820.74, 97,722.48 and 40,607.34

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Solution

The fourth proportional to 70,820.74, 97,722.48 and 40,607.34 is: 56,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,820.74 : 97,722.48 = 40,607.34 : x
  2. Step 2: Convert to fraction form
    70,820.74/97,722.48 = 40,607.34/x
  3. Step 3: Cross multiply
    70,820.74x = 97,722.48 × 40,607.34
  4. Step 4: Simplify right side
    70,820.74x = 3,968,249,756.82
  5. Step 5: Solve for x
    x = 3,968,249,756.82/70,820.74
  6. Step 6: Final answer
    x = 56,032.31

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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.