Home / 84,329.34-126,567.80-46,931.64

Finding the Fourth Proportional to 84,329.34, 126,567.80 and 46,931.64

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Solution

The fourth proportional to 84,329.34, 126,567.80 and 46,931.64 is: 70,438.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,329.34 : 126,567.80 = 46,931.64 : x
  2. Step 2: Convert to fraction form
    84,329.34/126,567.80 = 46,931.64/x
  3. Step 3: Cross multiply
    84,329.34x = 126,567.80 × 46,931.64
  4. Step 4: Simplify right side
    84,329.34x = 5,940,034,425.19
  5. Step 5: Solve for x
    x = 5,940,034,425.19/84,329.34
  6. Step 6: Final answer
    x = 70,438.53

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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.