Home / 81,925.60-122,888.34-46,840.64

Finding the Fourth Proportional to 81,925.60, 122,888.34 and 46,840.64

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Solution

The fourth proportional to 81,925.60, 122,888.34 and 46,840.64 is: 70,260.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,925.60 : 122,888.34 = 46,840.64 : x
  2. Step 2: Convert to fraction form
    81,925.60/122,888.34 = 46,840.64/x
  3. Step 3: Cross multiply
    81,925.60x = 122,888.34 × 46,840.64
  4. Step 4: Simplify right side
    81,925.60x = 5,756,168,494.14
  5. Step 5: Solve for x
    x = 5,756,168,494.14/81,925.60
  6. Step 6: Final answer
    x = 70,260.93

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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.