Home / 42,235.07-63,434.61-31,097.77

Finding the Fourth Proportional to 42,235.07, 63,434.61 and 31,097.77

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Solution

The fourth proportional to 42,235.07, 63,434.61 and 31,097.77 is: 46,707.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,235.07 : 63,434.61 = 31,097.77 : x
  2. Step 2: Convert to fraction form
    42,235.07/63,434.61 = 31,097.77/x
  3. Step 3: Cross multiply
    42,235.07x = 63,434.61 × 31,097.77
  4. Step 4: Simplify right side
    42,235.07x = 1,972,674,753.23
  5. Step 5: Solve for x
    x = 1,972,674,753.23/42,235.07
  6. Step 6: Final answer
    x = 46,707.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.