Home / 97,316.07-134,296.28-57,021.81

Finding the Fourth Proportional to 97,316.07, 134,296.28 and 57,021.81

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Solution

The fourth proportional to 97,316.07, 134,296.28 and 57,021.81 is: 78,690.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,316.07 : 134,296.28 = 57,021.81 : x
  2. Step 2: Convert to fraction form
    97,316.07/134,296.28 = 57,021.81/x
  3. Step 3: Cross multiply
    97,316.07x = 134,296.28 × 57,021.81
  4. Step 4: Simplify right side
    97,316.07x = 7,657,816,961.87
  5. Step 5: Solve for x
    x = 7,657,816,961.87/97,316.07
  6. Step 6: Final answer
    x = 78,690.16

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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.