Home / 70,918.24-97,762.56-45,421.60

Finding the Fourth Proportional to 70,918.24, 97,762.56 and 45,421.60

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Solution

The fourth proportional to 70,918.24, 97,762.56 and 45,421.60 is: 62,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,918.24 : 97,762.56 = 45,421.60 : x
  2. Step 2: Convert to fraction form
    70,918.24/97,762.56 = 45,421.60/x
  3. Step 3: Cross multiply
    70,918.24x = 97,762.56 × 45,421.60
  4. Step 4: Simplify right side
    70,918.24x = 4,440,531,895.30
  5. Step 5: Solve for x
    x = 4,440,531,895.30/70,918.24
  6. Step 6: Final answer
    x = 62,614.81

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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.