Home / 113,330.04-169,995-53,985.84

Finding the Fourth Proportional to 113,330.04, 169,995 and 53,985.84

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Solution

The fourth proportional to 113,330.04, 169,995 and 53,985.84 is: 80,978.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,330.04 : 169,995 = 53,985.84 : x
  2. Step 2: Convert to fraction form
    113,330.04/169,995 = 53,985.84/x
  3. Step 3: Cross multiply
    113,330.04x = 169,995 × 53,985.84
  4. Step 4: Simplify right side
    113,330.04x = 9,177,322,870.80
  5. Step 5: Solve for x
    x = 9,177,322,870.80/113,330.04
  6. Step 6: Final answer
    x = 80,978.73

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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.