Home / 55,613.20-83,420.10-14,060.20

Finding the Fourth Proportional to 55,613.20, 83,420.10 and 14,060.20

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Solution

The fourth proportional to 55,613.20, 83,420.10 and 14,060.20 is: 21,090.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,613.20 : 83,420.10 = 14,060.20 : x
  2. Step 2: Convert to fraction form
    55,613.20/83,420.10 = 14,060.20/x
  3. Step 3: Cross multiply
    55,613.20x = 83,420.10 × 14,060.20
  4. Step 4: Simplify right side
    55,613.20x = 1,172,903,290.02
  5. Step 5: Solve for x
    x = 1,172,903,290.02/55,613.20
  6. Step 6: Final answer
    x = 21,090.38

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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.