Home / 90,054.64-124,271.89-51,826.50

Finding the Fourth Proportional to 90,054.64, 124,271.89 and 51,826.50

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Solution

The fourth proportional to 90,054.64, 124,271.89 and 51,826.50 is: 71,518.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,054.64 : 124,271.89 = 51,826.50 : x
  2. Step 2: Convert to fraction form
    90,054.64/124,271.89 = 51,826.50/x
  3. Step 3: Cross multiply
    90,054.64x = 124,271.89 × 51,826.50
  4. Step 4: Simplify right side
    90,054.64x = 6,440,577,107.09
  5. Step 5: Solve for x
    x = 6,440,577,107.09/90,054.64
  6. Step 6: Final answer
    x = 71,518.55

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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.