Home / 98,292.84-135,645.06-55,851.67

Finding the Fourth Proportional to 98,292.84, 135,645.06 and 55,851.67

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Solution

The fourth proportional to 98,292.84, 135,645.06 and 55,851.67 is: 77,075.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,292.84 : 135,645.06 = 55,851.67 : x
  2. Step 2: Convert to fraction form
    98,292.84/135,645.06 = 55,851.67/x
  3. Step 3: Cross multiply
    98,292.84x = 135,645.06 × 55,851.67
  4. Step 4: Simplify right side
    98,292.84x = 7,576,003,128.25
  5. Step 5: Solve for x
    x = 7,576,003,128.25/98,292.84
  6. Step 6: Final answer
    x = 77,075.84

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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.