Home / 101,153.06-139,591.23-56,441.06

Finding the Fourth Proportional to 101,153.06, 139,591.23 and 56,441.06

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Solution

The fourth proportional to 101,153.06, 139,591.23 and 56,441.06 is: 77,888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,153.06 : 139,591.23 = 56,441.06 : x
  2. Step 2: Convert to fraction form
    101,153.06/139,591.23 = 56,441.06/x
  3. Step 3: Cross multiply
    101,153.06x = 139,591.23 × 56,441.06
  4. Step 4: Simplify right side
    101,153.06x = 7,878,677,336.88
  5. Step 5: Solve for x
    x = 7,878,677,336.88/101,153.06
  6. Step 6: Final answer
    x = 77,888.67

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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.