Home / 46,781.86-70,190.25-28,075.32

Finding the Fourth Proportional to 46,781.86, 70,190.25 and 28,075.32

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Solution

The fourth proportional to 46,781.86, 70,190.25 and 28,075.32 is: 42,123.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,781.86 : 70,190.25 = 28,075.32 : x
  2. Step 2: Convert to fraction form
    46,781.86/70,190.25 = 28,075.32/x
  3. Step 3: Cross multiply
    46,781.86x = 70,190.25 × 28,075.32
  4. Step 4: Simplify right side
    46,781.86x = 1,970,613,729.63
  5. Step 5: Solve for x
    x = 1,970,613,729.63/46,781.86
  6. Step 6: Final answer
    x = 42,123.46

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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.