Home / 81,319.89-112,206.69-46,859.25

Finding the Fourth Proportional to 81,319.89, 112,206.69 and 46,859.25

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Solution

The fourth proportional to 81,319.89, 112,206.69 and 46,859.25 is: 64,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,319.89 : 112,206.69 = 46,859.25 : x
  2. Step 2: Convert to fraction form
    81,319.89/112,206.69 = 46,859.25/x
  3. Step 3: Cross multiply
    81,319.89x = 112,206.69 × 46,859.25
  4. Step 4: Simplify right side
    81,319.89x = 5,257,921,338.38
  5. Step 5: Solve for x
    x = 5,257,921,338.38/81,319.89
  6. Step 6: Final answer
    x = 64,657.26

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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.