Home / 43,987.39-65,980.47-10,707.53

Finding the Fourth Proportional to 43,987.39, 65,980.47 and 10,707.53

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Solution

The fourth proportional to 43,987.39, 65,980.47 and 10,707.53 is: 16,061.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,987.39 : 65,980.47 = 10,707.53 : x
  2. Step 2: Convert to fraction form
    43,987.39/65,980.47 = 10,707.53/x
  3. Step 3: Cross multiply
    43,987.39x = 65,980.47 × 10,707.53
  4. Step 4: Simplify right side
    43,987.39x = 706,487,572.19
  5. Step 5: Solve for x
    x = 706,487,572.19/43,987.39
  6. Step 6: Final answer
    x = 16,061.14

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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.