Home / 85,903.93-118,548.07-47,141.49

Finding the Fourth Proportional to 85,903.93, 118,548.07 and 47,141.49

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Solution

The fourth proportional to 85,903.93, 118,548.07 and 47,141.49 is: 65,055.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,903.93 : 118,548.07 = 47,141.49 : x
  2. Step 2: Convert to fraction form
    85,903.93/118,548.07 = 47,141.49/x
  3. Step 3: Cross multiply
    85,903.93x = 118,548.07 × 47,141.49
  4. Step 4: Simplify right side
    85,903.93x = 5,588,532,538.57
  5. Step 5: Solve for x
    x = 5,588,532,538.57/85,903.93
  6. Step 6: Final answer
    x = 65,055.61

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1.5x scale

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.