Home / 112,319.08-168,475.71-45,759.10

Finding the Fourth Proportional to 112,319.08, 168,475.71 and 45,759.10

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Solution

The fourth proportional to 112,319.08, 168,475.71 and 45,759.10 is: 68,637.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,319.08 : 168,475.71 = 45,759.10 : x
  2. Step 2: Convert to fraction form
    112,319.08/168,475.71 = 45,759.10/x
  3. Step 3: Cross multiply
    112,319.08x = 168,475.71 × 45,759.10
  4. Step 4: Simplify right side
    112,319.08x = 7,709,296,861.46
  5. Step 5: Solve for x
    x = 7,709,296,861.46/112,319.08
  6. Step 6: Final answer
    x = 68,637.46

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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.