Home / 84,830.09-117,065.86-53,017.13

Finding the Fourth Proportional to 84,830.09, 117,065.86 and 53,017.13

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Solution

The fourth proportional to 84,830.09, 117,065.86 and 53,017.13 is: 73,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,830.09 : 117,065.86 = 53,017.13 : x
  2. Step 2: Convert to fraction form
    84,830.09/117,065.86 = 53,017.13/x
  3. Step 3: Cross multiply
    84,830.09x = 117,065.86 × 53,017.13
  4. Step 4: Simplify right side
    84,830.09x = 6,206,496,078.30
  5. Step 5: Solve for x
    x = 6,206,496,078.30/84,830.09
  6. Step 6: Final answer
    x = 73,163.86

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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.