Home / 86,715.75-119,667.74-46,971.75

Finding the Fourth Proportional to 86,715.75, 119,667.74 and 46,971.75

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Solution

The fourth proportional to 86,715.75, 119,667.74 and 46,971.75 is: 64,821.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,715.75 : 119,667.74 = 46,971.75 : x
  2. Step 2: Convert to fraction form
    86,715.75/119,667.74 = 46,971.75/x
  3. Step 3: Cross multiply
    86,715.75x = 119,667.74 × 46,971.75
  4. Step 4: Simplify right side
    86,715.75x = 5,621,002,931.49
  5. Step 5: Solve for x
    x = 5,621,002,931.49/86,715.75
  6. Step 6: Final answer
    x = 64,821.02

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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.