Home / 78,466.64-117,633.60-34,060.02

Finding the Fourth Proportional to 78,466.64, 117,633.60 and 34,060.02

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Solution

The fourth proportional to 78,466.64, 117,633.60 and 34,060.02 is: 51,061.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,466.64 : 117,633.60 = 34,060.02 : x
  2. Step 2: Convert to fraction form
    78,466.64/117,633.60 = 34,060.02/x
  3. Step 3: Cross multiply
    78,466.64x = 117,633.60 × 34,060.02
  4. Step 4: Simplify right side
    78,466.64x = 4,006,602,768.67
  5. Step 5: Solve for x
    x = 4,006,602,768.67/78,466.64
  6. Step 6: Final answer
    x = 51,061.23

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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.