Home / 56,490.10-84,735.64-14,370.22

Finding the Fourth Proportional to 56,490.10, 84,735.64 and 14,370.22

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Solution

The fourth proportional to 56,490.10, 84,735.64 and 14,370.22 is: 21,555.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,490.10 : 84,735.64 = 14,370.22 : x
  2. Step 2: Convert to fraction form
    56,490.10/84,735.64 = 14,370.22/x
  3. Step 3: Cross multiply
    56,490.10x = 84,735.64 × 14,370.22
  4. Step 4: Simplify right side
    56,490.10x = 1,217,669,504.95
  5. Step 5: Solve for x
    x = 1,217,669,504.95/56,490.10
  6. Step 6: Final answer
    x = 21,555.45

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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.