Home / 81,312.44-112,189.83-46,848.72

Finding the Fourth Proportional to 81,312.44, 112,189.83 and 46,848.72

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Solution

The fourth proportional to 81,312.44, 112,189.83 and 46,848.72 is: 64,638.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,312.44 : 112,189.83 = 46,848.72 : x
  2. Step 2: Convert to fraction form
    81,312.44/112,189.83 = 46,848.72/x
  3. Step 3: Cross multiply
    81,312.44x = 112,189.83 × 46,848.72
  4. Step 4: Simplify right side
    81,312.44x = 5,255,950,177.55
  5. Step 5: Solve for x
    x = 5,255,950,177.55/81,312.44
  6. Step 6: Final answer
    x = 64,638.95

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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.