Home / 47,254.64-70,888.44-13,977.32

Finding the Fourth Proportional to 47,254.64, 70,888.44 and 13,977.32

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Solution

The fourth proportional to 47,254.64, 70,888.44 and 13,977.32 is: 20,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,254.64 : 70,888.44 = 13,977.32 : x
  2. Step 2: Convert to fraction form
    47,254.64/70,888.44 = 13,977.32/x
  3. Step 3: Cross multiply
    47,254.64x = 70,888.44 × 13,977.32
  4. Step 4: Simplify right side
    47,254.64x = 990,830,410.18
  5. Step 5: Solve for x
    x = 990,830,410.18/47,254.64
  6. Step 6: Final answer
    x = 20,967.90

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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.