Home / 75,728.93-104,506.35-43,916.72

Finding the Fourth Proportional to 75,728.93, 104,506.35 and 43,916.72

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Solution

The fourth proportional to 75,728.93, 104,506.35 and 43,916.72 is: 60,605.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,728.93 : 104,506.35 = 43,916.72 : x
  2. Step 2: Convert to fraction form
    75,728.93/104,506.35 = 43,916.72/x
  3. Step 3: Cross multiply
    75,728.93x = 104,506.35 × 43,916.72
  4. Step 4: Simplify right side
    75,728.93x = 4,589,576,111.17
  5. Step 5: Solve for x
    x = 4,589,576,111.17/75,728.93
  6. Step 6: Final answer
    x = 60,605.32

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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.