Home / 107,313.68-148,085.70-64,895.60

Finding the Fourth Proportional to 107,313.68, 148,085.70 and 64,895.60

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Solution

The fourth proportional to 107,313.68, 148,085.70 and 64,895.60 is: 89,551.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,313.68 : 148,085.70 = 64,895.60 : x
  2. Step 2: Convert to fraction form
    107,313.68/148,085.70 = 64,895.60/x
  3. Step 3: Cross multiply
    107,313.68x = 148,085.70 × 64,895.60
  4. Step 4: Simplify right side
    107,313.68x = 9,610,110,352.92
  5. Step 5: Solve for x
    x = 9,610,110,352.92/107,313.68
  6. Step 6: Final answer
    x = 89,551.59

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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.