Home / 74,831.34-112,031.07-69,576.42

Finding the Fourth Proportional to 74,831.34, 112,031.07 and 69,576.42

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Solution

The fourth proportional to 74,831.34, 112,031.07 and 69,576.42 is: 104,163.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,831.34 : 112,031.07 = 69,576.42 : x
  2. Step 2: Convert to fraction form
    74,831.34/112,031.07 = 69,576.42/x
  3. Step 3: Cross multiply
    74,831.34x = 112,031.07 × 69,576.42
  4. Step 4: Simplify right side
    74,831.34x = 7,794,720,779.37
  5. Step 5: Solve for x
    x = 7,794,720,779.37/74,831.34
  6. Step 6: Final answer
    x = 104,163.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.