Home / 45,612.76-62,913.93-31,273.89

Finding the Fourth Proportional to 45,612.76, 62,913.93 and 31,273.89

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Solution

The fourth proportional to 45,612.76, 62,913.93 and 31,273.89 is: 43,136.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,612.76 : 62,913.93 = 31,273.89 : x
  2. Step 2: Convert to fraction form
    45,612.76/62,913.93 = 31,273.89/x
  3. Step 3: Cross multiply
    45,612.76x = 62,913.93 × 31,273.89
  4. Step 4: Simplify right side
    45,612.76x = 1,967,563,326.29
  5. Step 5: Solve for x
    x = 1,967,563,326.29/45,612.76
  6. Step 6: Final answer
    x = 43,136.25

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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.