Home / 79,316.14-118,740.47-69,474.64

Finding the Fourth Proportional to 79,316.14, 118,740.47 and 69,474.64

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Solution

The fourth proportional to 79,316.14, 118,740.47 and 69,474.64 is: 104,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,316.14 : 118,740.47 = 69,474.64 : x
  2. Step 2: Convert to fraction form
    79,316.14/118,740.47 = 69,474.64/x
  3. Step 3: Cross multiply
    79,316.14x = 118,740.47 × 69,474.64
  4. Step 4: Simplify right side
    79,316.14x = 8,249,450,762.46
  5. Step 5: Solve for x
    x = 8,249,450,762.46/79,316.14
  6. Step 6: Final answer
    x = 104,007.22

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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.