Home / 47,166.36-70,750.04-13,887.05

Finding the Fourth Proportional to 47,166.36, 70,750.04 and 13,887.05

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Solution

The fourth proportional to 47,166.36, 70,750.04 and 13,887.05 is: 20,830.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,166.36 : 70,750.04 = 13,887.05 : x
  2. Step 2: Convert to fraction form
    47,166.36/70,750.04 = 13,887.05/x
  3. Step 3: Cross multiply
    47,166.36x = 70,750.04 × 13,887.05
  4. Step 4: Simplify right side
    47,166.36x = 982,509,289.26
  5. Step 5: Solve for x
    x = 982,509,289.26/47,166.36
  6. Step 6: Final answer
    x = 20,830.72

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1.5x scale

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.