Home / 112,535.20-168,697.20-42,461.60

Finding the Fourth Proportional to 112,535.20, 168,697.20 and 42,461.60

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Solution

The fourth proportional to 112,535.20, 168,697.20 and 42,461.60 is: 63,652.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,535.20 : 168,697.20 = 42,461.60 : x
  2. Step 2: Convert to fraction form
    112,535.20/168,697.20 = 42,461.60/x
  3. Step 3: Cross multiply
    112,535.20x = 168,697.20 × 42,461.60
  4. Step 4: Simplify right side
    112,535.20x = 7,163,153,027.52
  5. Step 5: Solve for x
    x = 7,163,153,027.52/112,535.20
  6. Step 6: Final answer
    x = 63,652.56

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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.