Home / 81,947.16-122,925.06-46,920.60

Finding the Fourth Proportional to 81,947.16, 122,925.06 and 46,920.60

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Solution

The fourth proportional to 81,947.16, 122,925.06 and 46,920.60 is: 70,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,947.16 : 122,925.06 = 46,920.60 : x
  2. Step 2: Convert to fraction form
    81,947.16/122,925.06 = 46,920.60/x
  3. Step 3: Cross multiply
    81,947.16x = 122,925.06 × 46,920.60
  4. Step 4: Simplify right side
    81,947.16x = 5,767,717,570.24
  5. Step 5: Solve for x
    x = 5,767,717,570.24/81,947.16
  6. Step 6: Final answer
    x = 70,383.37

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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.