Home / 47,802.15-71,688.53-15,775.29

Finding the Fourth Proportional to 47,802.15, 71,688.53 and 15,775.29

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Solution

The fourth proportional to 47,802.15, 71,688.53 and 15,775.29 is: 23,658.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,802.15 : 71,688.53 = 15,775.29 : x
  2. Step 2: Convert to fraction form
    47,802.15/71,688.53 = 15,775.29/x
  3. Step 3: Cross multiply
    47,802.15x = 71,688.53 × 15,775.29
  4. Step 4: Simplify right side
    47,802.15x = 1,130,907,271.55
  5. Step 5: Solve for x
    x = 1,130,907,271.55/47,802.15
  6. Step 6: Final answer
    x = 23,658.08

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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.