Home / 42,341.16-63,374.22-31,243.26

Finding the Fourth Proportional to 42,341.16, 63,374.22 and 31,243.26

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Solution

The fourth proportional to 42,341.16, 63,374.22 and 31,243.26 is: 46,763.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,341.16 : 63,374.22 = 31,243.26 : x
  2. Step 2: Convert to fraction form
    42,341.16/63,374.22 = 31,243.26/x
  3. Step 3: Cross multiply
    42,341.16x = 63,374.22 × 31,243.26
  4. Step 4: Simplify right side
    42,341.16x = 1,980,017,232.76
  5. Step 5: Solve for x
    x = 1,980,017,232.76/42,341.16
  6. Step 6: Final answer
    x = 46,763.41

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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.