Home / 46,979.72-70,334.16-31,200.50

Finding the Fourth Proportional to 46,979.72, 70,334.16 and 31,200.50

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Solution

The fourth proportional to 46,979.72, 70,334.16 and 31,200.50 is: 46,710.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,979.72 : 70,334.16 = 31,200.50 : x
  2. Step 2: Convert to fraction form
    46,979.72/70,334.16 = 31,200.50/x
  3. Step 3: Cross multiply
    46,979.72x = 70,334.16 × 31,200.50
  4. Step 4: Simplify right side
    46,979.72x = 2,194,460,959.08
  5. Step 5: Solve for x
    x = 2,194,460,959.08/46,979.72
  6. Step 6: Final answer
    x = 46,710.81

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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.