Home / 72,136.16-108,696.62-59,276.60

Finding the Fourth Proportional to 72,136.16, 108,696.62 and 59,276.60

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Solution

The fourth proportional to 72,136.16, 108,696.62 and 59,276.60 is: 89,319.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,136.16 : 108,696.62 = 59,276.60 : x
  2. Step 2: Convert to fraction form
    72,136.16/108,696.62 = 59,276.60/x
  3. Step 3: Cross multiply
    72,136.16x = 108,696.62 × 59,276.60
  4. Step 4: Simplify right side
    72,136.16x = 6,443,165,330.21
  5. Step 5: Solve for x
    x = 6,443,165,330.21/72,136.16
  6. Step 6: Final answer
    x = 89,319.50

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.