Home / 113,032.36-155,985.30-70,615.54

Finding the Fourth Proportional to 113,032.36, 155,985.30 and 70,615.54

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Solution

The fourth proportional to 113,032.36, 155,985.30 and 70,615.54 is: 97,449.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,032.36 : 155,985.30 = 70,615.54 : x
  2. Step 2: Convert to fraction form
    113,032.36/155,985.30 = 70,615.54/x
  3. Step 3: Cross multiply
    113,032.36x = 155,985.30 × 70,615.54
  4. Step 4: Simplify right side
    113,032.36x = 11,014,986,191.56
  5. Step 5: Solve for x
    x = 11,014,986,191.56/113,032.36
  6. Step 6: Final answer
    x = 97,449.85

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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.