Home / 81,316.89-112,202.55-46,856.25

Finding the Fourth Proportional to 81,316.89, 112,202.55 and 46,856.25

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Solution

The fourth proportional to 81,316.89, 112,202.55 and 46,856.25 is: 64,653.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,316.89 : 112,202.55 = 46,856.25 : x
  2. Step 2: Convert to fraction form
    81,316.89/112,202.55 = 46,856.25/x
  3. Step 3: Cross multiply
    81,316.89x = 112,202.55 × 46,856.25
  4. Step 4: Simplify right side
    81,316.89x = 5,257,390,733.44
  5. Step 5: Solve for x
    x = 5,257,390,733.44/81,316.89
  6. Step 6: Final answer
    x = 64,653.12

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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.