Home / 98,039.34-135,263.43-55,589.67

Finding the Fourth Proportional to 98,039.34, 135,263.43 and 55,589.67

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Solution

The fourth proportional to 98,039.34, 135,263.43 and 55,589.67 is: 76,696.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,039.34 : 135,263.43 = 55,589.67 : x
  2. Step 2: Convert to fraction form
    98,039.34/135,263.43 = 55,589.67/x
  3. Step 3: Cross multiply
    98,039.34x = 135,263.43 × 55,589.67
  4. Step 4: Simplify right side
    98,039.34x = 7,519,249,436.77
  5. Step 5: Solve for x
    x = 7,519,249,436.77/98,039.34
  6. Step 6: Final answer
    x = 76,696.25

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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.