Home / 53,197.47-79,696.58-47,720.25

Finding the Fourth Proportional to 53,197.47, 79,696.58 and 47,720.25

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Solution

The fourth proportional to 53,197.47, 79,696.58 and 47,720.25 is: 71,491.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,197.47 : 79,696.58 = 47,720.25 : x
  2. Step 2: Convert to fraction form
    53,197.47/79,696.58 = 47,720.25/x
  3. Step 3: Cross multiply
    53,197.47x = 79,696.58 × 47,720.25
  4. Step 4: Simplify right side
    53,197.47x = 3,803,140,483.14
  5. Step 5: Solve for x
    x = 3,803,140,483.14/53,197.47
  6. Step 6: Final answer
    x = 71,491.00

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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.