Home / 74,803.23-103,105.22-52,971.51

Finding the Fourth Proportional to 74,803.23, 103,105.22 and 52,971.51

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Solution

The fourth proportional to 74,803.23, 103,105.22 and 52,971.51 is: 73,013.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,803.23 : 103,105.22 = 52,971.51 : x
  2. Step 2: Convert to fraction form
    74,803.23/103,105.22 = 52,971.51/x
  3. Step 3: Cross multiply
    74,803.23x = 103,105.22 × 52,971.51
  4. Step 4: Simplify right side
    74,803.23x = 5,461,639,192.28
  5. Step 5: Solve for x
    x = 5,461,639,192.28/74,803.23
  6. Step 6: Final answer
    x = 73,013.41

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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.