Home / 93,712.67-129,188.98-66,808.47

Finding the Fourth Proportional to 93,712.67, 129,188.98 and 66,808.47

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Solution

The fourth proportional to 93,712.67, 129,188.98 and 66,808.47 is: 92,099.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,712.67 : 129,188.98 = 66,808.47 : x
  2. Step 2: Convert to fraction form
    93,712.67/129,188.98 = 66,808.47/x
  3. Step 3: Cross multiply
    93,712.67x = 129,188.98 × 66,808.47
  4. Step 4: Simplify right side
    93,712.67x = 8,630,918,649.33
  5. Step 5: Solve for x
    x = 8,630,918,649.33/93,712.67
  6. Step 6: Final answer
    x = 92,099.80

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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.