Home / 55,234.61-76,225.96-31,363.50

Finding the Fourth Proportional to 55,234.61, 76,225.96 and 31,363.50

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Solution

The fourth proportional to 55,234.61, 76,225.96 and 31,363.50 is: 43,282.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,234.61 : 76,225.96 = 31,363.50 : x
  2. Step 2: Convert to fraction form
    55,234.61/76,225.96 = 31,363.50/x
  3. Step 3: Cross multiply
    55,234.61x = 76,225.96 × 31,363.50
  4. Step 4: Simplify right side
    55,234.61x = 2,390,713,221.51
  5. Step 5: Solve for x
    x = 2,390,713,221.51/55,234.61
  6. Step 6: Final answer
    x = 43,282.89

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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.