Home / 85,736.08-118,316.64-47,496.76

Finding the Fourth Proportional to 85,736.08, 118,316.64 and 47,496.76

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Solution

The fourth proportional to 85,736.08, 118,316.64 and 47,496.76 is: 65,546.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,736.08 : 118,316.64 = 47,496.76 : x
  2. Step 2: Convert to fraction form
    85,736.08/118,316.64 = 47,496.76/x
  3. Step 3: Cross multiply
    85,736.08x = 118,316.64 × 47,496.76
  4. Step 4: Simplify right side
    85,736.08x = 5,619,657,054.09
  5. Step 5: Solve for x
    x = 5,619,657,054.09/85,736.08
  6. Step 6: Final answer
    x = 65,546.00

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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.