Home / 85,741.17-118,323.64-47,501.53

Finding the Fourth Proportional to 85,741.17, 118,323.64 and 47,501.53

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Solution

The fourth proportional to 85,741.17, 118,323.64 and 47,501.53 is: 65,552.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,741.17 : 118,323.64 = 47,501.53 : x
  2. Step 2: Convert to fraction form
    85,741.17/118,323.64 = 47,501.53/x
  3. Step 3: Cross multiply
    85,741.17x = 118,323.64 × 47,501.53
  4. Step 4: Simplify right side
    85,741.17x = 5,620,554,165.12
  5. Step 5: Solve for x
    x = 5,620,554,165.12/85,741.17
  6. Step 6: Final answer
    x = 65,552.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.