Home / 78,094.35-117,018.84-60,368.43

Finding the Fourth Proportional to 78,094.35, 117,018.84 and 60,368.43

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Solution

The fourth proportional to 78,094.35, 117,018.84 and 60,368.43 is: 90,457.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,094.35 : 117,018.84 = 60,368.43 : x
  2. Step 2: Convert to fraction form
    78,094.35/117,018.84 = 60,368.43/x
  3. Step 3: Cross multiply
    78,094.35x = 117,018.84 × 60,368.43
  4. Step 4: Simplify right side
    78,094.35x = 7,064,243,651.22
  5. Step 5: Solve for x
    x = 7,064,243,651.22/78,094.35
  6. Step 6: Final answer
    x = 90,457.81

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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.