Home / 66,285.38-91,458.66-37,598.19

Finding the Fourth Proportional to 66,285.38, 91,458.66 and 37,598.19

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Solution

The fourth proportional to 66,285.38, 91,458.66 and 37,598.19 is: 51,876.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,285.38 : 91,458.66 = 37,598.19 : x
  2. Step 2: Convert to fraction form
    66,285.38/91,458.66 = 37,598.19/x
  3. Step 3: Cross multiply
    66,285.38x = 91,458.66 × 37,598.19
  4. Step 4: Simplify right side
    66,285.38x = 3,438,680,075.83
  5. Step 5: Solve for x
    x = 3,438,680,075.83/66,285.38
  6. Step 6: Final answer
    x = 51,876.90

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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.