Home / 53,718.48-74,136.78-31,050.27

Finding the Fourth Proportional to 53,718.48, 74,136.78 and 31,050.27

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Solution

The fourth proportional to 53,718.48, 74,136.78 and 31,050.27 is: 42,852.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,718.48 : 74,136.78 = 31,050.27 : x
  2. Step 2: Convert to fraction form
    53,718.48/74,136.78 = 31,050.27/x
  3. Step 3: Cross multiply
    53,718.48x = 74,136.78 × 31,050.27
  4. Step 4: Simplify right side
    53,718.48x = 2,301,967,035.93
  5. Step 5: Solve for x
    x = 2,301,967,035.93/53,718.48
  6. Step 6: Final answer
    x = 42,852.42

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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.