Home / 47,069.17-70,613.48-13,790.32

Finding the Fourth Proportional to 47,069.17, 70,613.48 and 13,790.32

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Solution

The fourth proportional to 47,069.17, 70,613.48 and 13,790.32 is: 20,688.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,069.17 : 70,613.48 = 13,790.32 : x
  2. Step 2: Convert to fraction form
    47,069.17/70,613.48 = 13,790.32/x
  3. Step 3: Cross multiply
    47,069.17x = 70,613.48 × 13,790.32
  4. Step 4: Simplify right side
    47,069.17x = 973,782,485.51
  5. Step 5: Solve for x
    x = 973,782,485.51/47,069.17
  6. Step 6: Final answer
    x = 20,688.33

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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.