Home / 55,686.98-76,848.37-30,193.12

Finding the Fourth Proportional to 55,686.98, 76,848.37 and 30,193.12

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Solution

The fourth proportional to 55,686.98, 76,848.37 and 30,193.12 is: 41,666.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,686.98 : 76,848.37 = 30,193.12 : x
  2. Step 2: Convert to fraction form
    55,686.98/76,848.37 = 30,193.12/x
  3. Step 3: Cross multiply
    55,686.98x = 76,848.37 × 30,193.12
  4. Step 4: Simplify right side
    55,686.98x = 2,320,291,522.01
  5. Step 5: Solve for x
    x = 2,320,291,522.01/55,686.98
  6. Step 6: Final answer
    x = 41,666.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.