Home / 83,285.19-114,971.09-53,111.07

Finding the Fourth Proportional to 83,285.19, 114,971.09 and 53,111.07

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Solution

The fourth proportional to 83,285.19, 114,971.09 and 53,111.07 is: 73,317.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,285.19 : 114,971.09 = 53,111.07 : x
  2. Step 2: Convert to fraction form
    83,285.19/114,971.09 = 53,111.07/x
  3. Step 3: Cross multiply
    83,285.19x = 114,971.09 × 53,111.07
  4. Step 4: Simplify right side
    83,285.19x = 6,106,237,343.41
  5. Step 5: Solve for x
    x = 6,106,237,343.41/83,285.19
  6. Step 6: Final answer
    x = 73,317.20

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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.