Home / 74,623.61-102,987.84-55,727.93

Finding the Fourth Proportional to 74,623.61, 102,987.84 and 55,727.93

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Solution

The fourth proportional to 74,623.61, 102,987.84 and 55,727.93 is: 76,909.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,623.61 : 102,987.84 = 55,727.93 : x
  2. Step 2: Convert to fraction form
    74,623.61/102,987.84 = 55,727.93/x
  3. Step 3: Cross multiply
    74,623.61x = 102,987.84 × 55,727.93
  4. Step 4: Simplify right side
    74,623.61x = 5,739,298,623.43
  5. Step 5: Solve for x
    x = 5,739,298,623.43/74,623.61
  6. Step 6: Final answer
    x = 76,909.96

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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.