Home / 72,083.08-99,473.46-40,252.36

Finding the Fourth Proportional to 72,083.08, 99,473.46 and 40,252.36

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Solution

The fourth proportional to 72,083.08, 99,473.46 and 40,252.36 is: 55,547.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,083.08 : 99,473.46 = 40,252.36 : x
  2. Step 2: Convert to fraction form
    72,083.08/99,473.46 = 40,252.36/x
  3. Step 3: Cross multiply
    72,083.08x = 99,473.46 × 40,252.36
  4. Step 4: Simplify right side
    72,083.08x = 4,004,041,522.37
  5. Step 5: Solve for x
    x = 4,004,041,522.37/72,083.08
  6. Step 6: Final answer
    x = 55,547.59

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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.