Home / 112,548.03-168,772.80-53,400.57

Finding the Fourth Proportional to 112,548.03, 168,772.80 and 53,400.57

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Solution

The fourth proportional to 112,548.03, 168,772.80 and 53,400.57 is: 80,077.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,548.03 : 168,772.80 = 53,400.57 : x
  2. Step 2: Convert to fraction form
    112,548.03/168,772.80 = 53,400.57/x
  3. Step 3: Cross multiply
    112,548.03x = 168,772.80 × 53,400.57
  4. Step 4: Simplify right side
    112,548.03x = 9,012,563,720.50
  5. Step 5: Solve for x
    x = 9,012,563,720.50/112,548.03
  6. Step 6: Final answer
    x = 80,077.49

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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.