Home / 112,508.12-168,762.34-45,948.25

Finding the Fourth Proportional to 112,508.12, 168,762.34 and 45,948.25

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Solution

The fourth proportional to 112,508.12, 168,762.34 and 45,948.25 is: 68,922.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,508.12 : 168,762.34 = 45,948.25 : x
  2. Step 2: Convert to fraction form
    112,508.12/168,762.34 = 45,948.25/x
  3. Step 3: Cross multiply
    112,508.12x = 168,762.34 × 45,948.25
  4. Step 4: Simplify right side
    112,508.12x = 7,754,333,652.13
  5. Step 5: Solve for x
    x = 7,754,333,652.13/112,508.12
  6. Step 6: Final answer
    x = 68,922.44

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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.