Home / 90,882.60-125,416.80-52,647.36

Finding the Fourth Proportional to 90,882.60, 125,416.80 and 52,647.36

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Solution

The fourth proportional to 90,882.60, 125,416.80 and 52,647.36 is: 72,652.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,882.60 : 125,416.80 = 52,647.36 : x
  2. Step 2: Convert to fraction form
    90,882.60/125,416.80 = 52,647.36/x
  3. Step 3: Cross multiply
    90,882.60x = 125,416.80 × 52,647.36
  4. Step 4: Simplify right side
    90,882.60x = 6,602,863,419.65
  5. Step 5: Solve for x
    x = 6,602,863,419.65/90,882.60
  6. Step 6: Final answer
    x = 72,652.67

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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.