Home / 70,835.20-97,852.08-67,102.72

Finding the Fourth Proportional to 70,835.20, 97,852.08 and 67,102.72

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Solution

The fourth proportional to 70,835.20, 97,852.08 and 67,102.72 is: 92,696.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,835.20 : 97,852.08 = 67,102.72 : x
  2. Step 2: Convert to fraction form
    70,835.20/97,852.08 = 67,102.72/x
  3. Step 3: Cross multiply
    70,835.20x = 97,852.08 × 67,102.72
  4. Step 4: Simplify right side
    70,835.20x = 6,566,140,725.66
  5. Step 5: Solve for x
    x = 6,566,140,725.66/70,835.20
  6. Step 6: Final answer
    x = 92,696.01

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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.