Home / 112,527.52-168,727.32-45,889.60

Finding the Fourth Proportional to 112,527.52, 168,727.32 and 45,889.60

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Solution

The fourth proportional to 112,527.52, 168,727.32 and 45,889.60 is: 68,808.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,527.52 : 168,727.32 = 45,889.60 : x
  2. Step 2: Convert to fraction form
    112,527.52/168,727.32 = 45,889.60/x
  3. Step 3: Cross multiply
    112,527.52x = 168,727.32 × 45,889.60
  4. Step 4: Simplify right side
    112,527.52x = 7,742,829,223.87
  5. Step 5: Solve for x
    x = 7,742,829,223.87/112,527.52
  6. Step 6: Final answer
    x = 68,808.32

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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.