Home / 85,094.40-117,431.28-46,858.40

Finding the Fourth Proportional to 85,094.40, 117,431.28 and 46,858.40

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Solution

The fourth proportional to 85,094.40, 117,431.28 and 46,858.40 is: 64,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,094.40 : 117,431.28 = 46,858.40 : x
  2. Step 2: Convert to fraction form
    85,094.40/117,431.28 = 46,858.40/x
  3. Step 3: Cross multiply
    85,094.40x = 117,431.28 × 46,858.40
  4. Step 4: Simplify right side
    85,094.40x = 5,502,641,890.75
  5. Step 5: Solve for x
    x = 5,502,641,890.75/85,094.40
  6. Step 6: Final answer
    x = 64,665.15

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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.