Home / 58,485.07-80,614.60-45,715.69

Finding the Fourth Proportional to 58,485.07, 80,614.60 and 45,715.69

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Solution

The fourth proportional to 58,485.07, 80,614.60 and 45,715.69 is: 63,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,485.07 : 80,614.60 = 45,715.69 : x
  2. Step 2: Convert to fraction form
    58,485.07/80,614.60 = 45,715.69/x
  3. Step 3: Cross multiply
    58,485.07x = 80,614.60 × 45,715.69
  4. Step 4: Simplify right side
    58,485.07x = 3,685,352,063.07
  5. Step 5: Solve for x
    x = 3,685,352,063.07/58,485.07
  6. Step 6: Final answer
    x = 63,013.55

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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.