Home / 66,518.38-91,795.37-49,537.20

Finding the Fourth Proportional to 66,518.38, 91,795.37 and 49,537.20

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Solution

The fourth proportional to 66,518.38, 91,795.37 and 49,537.20 is: 68,361.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,518.38 : 91,795.37 = 49,537.20 : x
  2. Step 2: Convert to fraction form
    66,518.38/91,795.37 = 49,537.20/x
  3. Step 3: Cross multiply
    66,518.38x = 91,795.37 × 49,537.20
  4. Step 4: Simplify right side
    66,518.38x = 4,547,285,602.76
  5. Step 5: Solve for x
    x = 4,547,285,602.76/66,518.38
  6. Step 6: Final answer
    x = 68,361.34

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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.