Home / 97,636.66-134,730.21-56,808.34

Finding the Fourth Proportional to 97,636.66, 134,730.21 and 56,808.34

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Solution

The fourth proportional to 97,636.66, 134,730.21 and 56,808.34 is: 78,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,636.66 : 134,730.21 = 56,808.34 : x
  2. Step 2: Convert to fraction form
    97,636.66/134,730.21 = 56,808.34/x
  3. Step 3: Cross multiply
    97,636.66x = 134,730.21 × 56,808.34
  4. Step 4: Simplify right side
    97,636.66x = 7,653,799,577.95
  5. Step 5: Solve for x
    x = 7,653,799,577.95/97,636.66
  6. Step 6: Final answer
    x = 78,390.63

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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.