Home / 52,130.58-78,195.86-45,089.67

Finding the Fourth Proportional to 52,130.58, 78,195.86 and 45,089.67

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Solution

The fourth proportional to 52,130.58, 78,195.86 and 45,089.67 is: 67,634.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,130.58 : 78,195.86 = 45,089.67 : x
  2. Step 2: Convert to fraction form
    52,130.58/78,195.86 = 45,089.67/x
  3. Step 3: Cross multiply
    52,130.58x = 78,195.86 × 45,089.67
  4. Step 4: Simplify right side
    52,130.58x = 3,525,824,906.34
  5. Step 5: Solve for x
    x = 3,525,824,906.34/52,130.58
  6. Step 6: Final answer
    x = 67,634.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.