Home / 53,980.02-81,021.87-26,297.46

Finding the Fourth Proportional to 53,980.02, 81,021.87 and 26,297.46

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Solution

The fourth proportional to 53,980.02, 81,021.87 and 26,297.46 is: 39,471.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,980.02 : 81,021.87 = 26,297.46 : x
  2. Step 2: Convert to fraction form
    53,980.02/81,021.87 = 26,297.46/x
  3. Step 3: Cross multiply
    53,980.02x = 81,021.87 × 26,297.46
  4. Step 4: Simplify right side
    53,980.02x = 2,130,669,385.45
  5. Step 5: Solve for x
    x = 2,130,669,385.45/53,980.02
  6. Step 6: Final answer
    x = 39,471.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.