Home / 85,763.32-118,351.86-48,038.92

Finding the Fourth Proportional to 85,763.32, 118,351.86 and 48,038.92

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Solution

The fourth proportional to 85,763.32, 118,351.86 and 48,038.92 is: 66,292.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,763.32 : 118,351.86 = 48,038.92 : x
  2. Step 2: Convert to fraction form
    85,763.32/118,351.86 = 48,038.92/x
  3. Step 3: Cross multiply
    85,763.32x = 118,351.86 × 48,038.92
  4. Step 4: Simplify right side
    85,763.32x = 5,685,495,534.39
  5. Step 5: Solve for x
    x = 5,685,495,534.39/85,763.32
  6. Step 6: Final answer
    x = 66,292.86

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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.