Home / 42,977.15-64,466.63-13,395.24

Finding the Fourth Proportional to 42,977.15, 64,466.63 and 13,395.24

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Solution

The fourth proportional to 42,977.15, 64,466.63 and 13,395.24 is: 20,093.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,977.15 : 64,466.63 = 13,395.24 : x
  2. Step 2: Convert to fraction form
    42,977.15/64,466.63 = 13,395.24/x
  3. Step 3: Cross multiply
    42,977.15x = 64,466.63 × 13,395.24
  4. Step 4: Simplify right side
    42,977.15x = 863,546,039.45
  5. Step 5: Solve for x
    x = 863,546,039.45/42,977.15
  6. Step 6: Final answer
    x = 20,093.14

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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.