Home / 74,369.54-102,632.27-42,548.69

Finding the Fourth Proportional to 74,369.54, 102,632.27 and 42,548.69

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Solution

The fourth proportional to 74,369.54, 102,632.27 and 42,548.69 is: 58,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,369.54 : 102,632.27 = 42,548.69 : x
  2. Step 2: Convert to fraction form
    74,369.54/102,632.27 = 42,548.69/x
  3. Step 3: Cross multiply
    74,369.54x = 102,632.27 × 42,548.69
  4. Step 4: Simplify right side
    74,369.54x = 4,366,868,684.06
  5. Step 5: Solve for x
    x = 4,366,868,684.06/74,369.54
  6. Step 6: Final answer
    x = 58,718.51

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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.