Home / 85,594.11-128,435.94-35,030.67

Finding the Fourth Proportional to 85,594.11, 128,435.94 and 35,030.67

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Solution

The fourth proportional to 85,594.11, 128,435.94 and 35,030.67 is: 52,564.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,594.11 : 128,435.94 = 35,030.67 : x
  2. Step 2: Convert to fraction form
    85,594.11/128,435.94 = 35,030.67/x
  3. Step 3: Cross multiply
    85,594.11x = 128,435.94 × 35,030.67
  4. Step 4: Simplify right side
    85,594.11x = 4,499,197,263.79
  5. Step 5: Solve for x
    x = 4,499,197,263.79/85,594.11
  6. Step 6: Final answer
    x = 52,564.33

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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.