Home / 43,069.86-64,615.14-14,985.78

Finding the Fourth Proportional to 43,069.86, 64,615.14 and 14,985.78

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Solution

The fourth proportional to 43,069.86, 64,615.14 and 14,985.78 is: 22,482.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,069.86 : 64,615.14 = 14,985.78 : x
  2. Step 2: Convert to fraction form
    43,069.86/64,615.14 = 14,985.78/x
  3. Step 3: Cross multiply
    43,069.86x = 64,615.14 × 14,985.78
  4. Step 4: Simplify right side
    43,069.86x = 968,308,272.71
  5. Step 5: Solve for x
    x = 968,308,272.71/43,069.86
  6. Step 6: Final answer
    x = 22,482.27

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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.