Home / 85,516.47-118,011.93-47,277.02

Finding the Fourth Proportional to 85,516.47, 118,011.93 and 47,277.02

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Solution

The fourth proportional to 85,516.47, 118,011.93 and 47,277.02 is: 65,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,516.47 : 118,011.93 = 47,277.02 : x
  2. Step 2: Convert to fraction form
    85,516.47/118,011.93 = 47,277.02/x
  3. Step 3: Cross multiply
    85,516.47x = 118,011.93 × 47,277.02
  4. Step 4: Simplify right side
    85,516.47x = 5,579,251,784.79
  5. Step 5: Solve for x
    x = 5,579,251,784.79/85,516.47
  6. Step 6: Final answer
    x = 65,241.84

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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.