Home / 84,538.10-116,645.49-46,805.30

Finding the Fourth Proportional to 84,538.10, 116,645.49 and 46,805.30

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Solution

The fourth proportional to 84,538.10, 116,645.49 and 46,805.30 is: 64,581.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,538.10 : 116,645.49 = 46,805.30 : x
  2. Step 2: Convert to fraction form
    84,538.10/116,645.49 = 46,805.30/x
  3. Step 3: Cross multiply
    84,538.10x = 116,645.49 × 46,805.30
  4. Step 4: Simplify right side
    84,538.10x = 5,459,627,153.10
  5. Step 5: Solve for x
    x = 5,459,627,153.10/84,538.10
  6. Step 6: Final answer
    x = 64,581.85

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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.