Home / 104,854.35-144,700.65-57,107.67

Finding the Fourth Proportional to 104,854.35, 144,700.65 and 57,107.67

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Solution

The fourth proportional to 104,854.35, 144,700.65 and 57,107.67 is: 78,809.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,854.35 : 144,700.65 = 57,107.67 : x
  2. Step 2: Convert to fraction form
    104,854.35/144,700.65 = 57,107.67/x
  3. Step 3: Cross multiply
    104,854.35x = 144,700.65 × 57,107.67
  4. Step 4: Simplify right side
    104,854.35x = 8,263,516,968.99
  5. Step 5: Solve for x
    x = 8,263,516,968.99/104,854.35
  6. Step 6: Final answer
    x = 78,809.48

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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.