Home / 90,315.88-124,635.93-49,480.19

Finding the Fourth Proportional to 90,315.88, 124,635.93 and 49,480.19

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Solution

The fourth proportional to 90,315.88, 124,635.93 and 49,480.19 is: 68,282.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,315.88 : 124,635.93 = 49,480.19 : x
  2. Step 2: Convert to fraction form
    90,315.88/124,635.93 = 49,480.19/x
  3. Step 3: Cross multiply
    90,315.88x = 124,635.93 × 49,480.19
  4. Step 4: Simplify right side
    90,315.88x = 6,167,009,889.12
  5. Step 5: Solve for x
    x = 6,167,009,889.12/90,315.88
  6. Step 6: Final answer
    x = 68,282.67

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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.