Home / 78,713.37-108,627.08-46,877.94

Finding the Fourth Proportional to 78,713.37, 108,627.08 and 46,877.94

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Solution

The fourth proportional to 78,713.37, 108,627.08 and 46,877.94 is: 64,693.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,713.37 : 108,627.08 = 46,877.94 : x
  2. Step 2: Convert to fraction form
    78,713.37/108,627.08 = 46,877.94/x
  3. Step 3: Cross multiply
    78,713.37x = 108,627.08 × 46,877.94
  4. Step 4: Simplify right side
    78,713.37x = 5,092,213,504.23
  5. Step 5: Solve for x
    x = 5,092,213,504.23/78,713.37
  6. Step 6: Final answer
    x = 64,693.12

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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.