Home / 97,057.17-133,937.94-56,763.30

Finding the Fourth Proportional to 97,057.17, 133,937.94 and 56,763.30

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Solution

The fourth proportional to 97,057.17, 133,937.94 and 56,763.30 is: 78,332.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,057.17 : 133,937.94 = 56,763.30 : x
  2. Step 2: Convert to fraction form
    97,057.17/133,937.94 = 56,763.30/x
  3. Step 3: Cross multiply
    97,057.17x = 133,937.94 × 56,763.30
  4. Step 4: Simplify right side
    97,057.17x = 7,602,759,469.60
  5. Step 5: Solve for x
    x = 7,602,759,469.60/97,057.17
  6. Step 6: Final answer
    x = 78,332.80

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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.