Home / 42,412.86-63,602.87-14,325.39

Finding the Fourth Proportional to 42,412.86, 63,602.87 and 14,325.39

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Solution

The fourth proportional to 42,412.86, 63,602.87 and 14,325.39 is: 21,482.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,412.86 : 63,602.87 = 14,325.39 : x
  2. Step 2: Convert to fraction form
    42,412.86/63,602.87 = 14,325.39/x
  3. Step 3: Cross multiply
    42,412.86x = 63,602.87 × 14,325.39
  4. Step 4: Simplify right side
    42,412.86x = 911,135,846.24
  5. Step 5: Solve for x
    x = 911,135,846.24/42,412.86
  6. Step 6: Final answer
    x = 21,482.54

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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.