Home / 47,047.40-70,628.70-46,701.80

Finding the Fourth Proportional to 47,047.40, 70,628.70 and 46,701.80

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Solution

The fourth proportional to 47,047.40, 70,628.70 and 46,701.80 is: 70,109.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,047.40 : 70,628.70 = 46,701.80 : x
  2. Step 2: Convert to fraction form
    47,047.40/70,628.70 = 46,701.80/x
  3. Step 3: Cross multiply
    47,047.40x = 70,628.70 × 46,701.80
  4. Step 4: Simplify right side
    47,047.40x = 3,298,487,421.66
  5. Step 5: Solve for x
    x = 3,298,487,421.66/47,047.40
  6. Step 6: Final answer
    x = 70,109.88

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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.