Home / 102,751.34-141,533.06-72,483.44

Finding the Fourth Proportional to 102,751.34, 141,533.06 and 72,483.44

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Solution

The fourth proportional to 102,751.34, 141,533.06 and 72,483.44 is: 99,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,751.34 : 141,533.06 = 72,483.44 : x
  2. Step 2: Convert to fraction form
    102,751.34/141,533.06 = 72,483.44/x
  3. Step 3: Cross multiply
    102,751.34x = 141,533.06 × 72,483.44
  4. Step 4: Simplify right side
    102,751.34x = 10,258,801,992.44
  5. Step 5: Solve for x
    x = 10,258,801,992.44/102,751.34
  6. Step 6: Final answer
    x = 99,841.06

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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.