Home / 79,316.07-118,740.37-69,474.57

Finding the Fourth Proportional to 79,316.07, 118,740.37 and 69,474.57

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Solution

The fourth proportional to 79,316.07, 118,740.37 and 69,474.57 is: 104,007.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,316.07 : 118,740.37 = 69,474.57 : x
  2. Step 2: Convert to fraction form
    79,316.07/118,740.37 = 69,474.57/x
  3. Step 3: Cross multiply
    79,316.07x = 118,740.37 × 69,474.57
  4. Step 4: Simplify right side
    79,316.07x = 8,249,436,444.24
  5. Step 5: Solve for x
    x = 8,249,436,444.24/79,316.07
  6. Step 6: Final answer
    x = 104,007.12

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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.