Home / 84,825.09-117,109.53-53,037.18

Finding the Fourth Proportional to 84,825.09, 117,109.53 and 53,037.18

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Solution

The fourth proportional to 84,825.09, 117,109.53 and 53,037.18 is: 73,223.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,825.09 : 117,109.53 = 53,037.18 : x
  2. Step 2: Convert to fraction form
    84,825.09/117,109.53 = 53,037.18/x
  3. Step 3: Cross multiply
    84,825.09x = 117,109.53 × 53,037.18
  4. Step 4: Simplify right side
    84,825.09x = 6,211,159,222.33
  5. Step 5: Solve for x
    x = 6,211,159,222.33/84,825.09
  6. Step 6: Final answer
    x = 73,223.14

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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.