Home / 90,660.98-125,118.06-54,852.50

Finding the Fourth Proportional to 90,660.98, 125,118.06 and 54,852.50

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Solution

The fourth proportional to 90,660.98, 125,118.06 and 54,852.50 is: 75,700.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,660.98 : 125,118.06 = 54,852.50 : x
  2. Step 2: Convert to fraction form
    90,660.98/125,118.06 = 54,852.50/x
  3. Step 3: Cross multiply
    90,660.98x = 125,118.06 × 54,852.50
  4. Step 4: Simplify right side
    90,660.98x = 6,863,038,386.15
  5. Step 5: Solve for x
    x = 6,863,038,386.15/90,660.98
  6. Step 6: Final answer
    x = 75,700.02

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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.