Home / 91,258.10-136,885.52-46,858.76

Finding the Fourth Proportional to 91,258.10, 136,885.52 and 46,858.76

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Solution

The fourth proportional to 91,258.10, 136,885.52 and 46,858.76 is: 70,287.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,258.10 : 136,885.52 = 46,858.76 : x
  2. Step 2: Convert to fraction form
    91,258.10/136,885.52 = 46,858.76/x
  3. Step 3: Cross multiply
    91,258.10x = 136,885.52 × 46,858.76
  4. Step 4: Simplify right side
    91,258.10x = 6,414,285,729.16
  5. Step 5: Solve for x
    x = 6,414,285,729.16/91,258.10
  6. Step 6: Final answer
    x = 70,287.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.