Home / 97,677.36-134,755.65-63,715.68

Finding the Fourth Proportional to 97,677.36, 134,755.65 and 63,715.68

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Solution

The fourth proportional to 97,677.36, 134,755.65 and 63,715.68 is: 87,902.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,677.36 : 134,755.65 = 63,715.68 : x
  2. Step 2: Convert to fraction form
    97,677.36/134,755.65 = 63,715.68/x
  3. Step 3: Cross multiply
    97,677.36x = 134,755.65 × 63,715.68
  4. Step 4: Simplify right side
    97,677.36x = 8,586,047,873.59
  5. Step 5: Solve for x
    x = 8,586,047,873.59/97,677.36
  6. Step 6: Final answer
    x = 87,902.13

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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.