Home / 127,032.46-190,622.50-56,911.77

Finding the Fourth Proportional to 127,032.46, 190,622.50 and 56,911.77

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Solution

The fourth proportional to 127,032.46, 190,622.50 and 56,911.77 is: 85,400.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,032.46 : 190,622.50 = 56,911.77 : x
  2. Step 2: Convert to fraction form
    127,032.46/190,622.50 = 56,911.77/x
  3. Step 3: Cross multiply
    127,032.46x = 190,622.50 × 56,911.77
  4. Step 4: Simplify right side
    127,032.46x = 10,848,663,734.55
  5. Step 5: Solve for x
    x = 10,848,663,734.55/127,032.46
  6. Step 6: Final answer
    x = 85,400.72

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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.