Home / 69,445.02-103,560.51-61,790.52

Finding the Fourth Proportional to 69,445.02, 103,560.51 and 61,790.52

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Solution

The fourth proportional to 69,445.02, 103,560.51 and 61,790.52 is: 92,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,445.02 : 103,560.51 = 61,790.52 : x
  2. Step 2: Convert to fraction form
    69,445.02/103,560.51 = 61,790.52/x
  3. Step 3: Cross multiply
    69,445.02x = 103,560.51 × 61,790.52
  4. Step 4: Simplify right side
    69,445.02x = 6,399,057,376.01
  5. Step 5: Solve for x
    x = 6,399,057,376.01/69,445.02
  6. Step 6: Final answer
    x = 92,145.67

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.