Home / 89,980.03-124,172.44-52,256.71

Finding the Fourth Proportional to 89,980.03, 124,172.44 and 52,256.71

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Solution

The fourth proportional to 89,980.03, 124,172.44 and 52,256.71 is: 72,114.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,980.03 : 124,172.44 = 52,256.71 : x
  2. Step 2: Convert to fraction form
    89,980.03/124,172.44 = 52,256.71/x
  3. Step 3: Cross multiply
    89,980.03x = 124,172.44 × 52,256.71
  4. Step 4: Simplify right side
    89,980.03x = 6,488,843,505.59
  5. Step 5: Solve for x
    x = 6,488,843,505.59/89,980.03
  6. Step 6: Final answer
    x = 72,114.26

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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.