Home / 77,224.68-115,584.30-47,666.16

Finding the Fourth Proportional to 77,224.68, 115,584.30 and 47,666.16

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Solution

The fourth proportional to 77,224.68, 115,584.30 and 47,666.16 is: 71,343.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,224.68 : 115,584.30 = 47,666.16 : x
  2. Step 2: Convert to fraction form
    77,224.68/115,584.30 = 47,666.16/x
  3. Step 3: Cross multiply
    77,224.68x = 115,584.30 × 47,666.16
  4. Step 4: Simplify right side
    77,224.68x = 5,509,459,737.29
  5. Step 5: Solve for x
    x = 5,509,459,737.29/77,224.68
  6. Step 6: Final answer
    x = 71,343.25

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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.