Home / 76,641.12-114,764.85-46,969.00

Finding the Fourth Proportional to 76,641.12, 114,764.85 and 46,969.00

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Solution

The fourth proportional to 76,641.12, 114,764.85 and 46,969.00 is: 70,332.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,641.12 : 114,764.85 = 46,969.00 : x
  2. Step 2: Convert to fraction form
    76,641.12/114,764.85 = 46,969.00/x
  3. Step 3: Cross multiply
    76,641.12x = 114,764.85 × 46,969.00
  4. Step 4: Simplify right side
    76,641.12x = 5,390,389,952.74
  5. Step 5: Solve for x
    x = 5,390,389,952.74/76,641.12
  6. Step 6: Final answer
    x = 70,332.87

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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.