Home / 114,037.08-157,377.12-68,729.40

Finding the Fourth Proportional to 114,037.08, 157,377.12 and 68,729.40

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Solution

The fourth proportional to 114,037.08, 157,377.12 and 68,729.40 is: 94,850.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,037.08 : 157,377.12 = 68,729.40 : x
  2. Step 2: Convert to fraction form
    114,037.08/157,377.12 = 68,729.40/x
  3. Step 3: Cross multiply
    114,037.08x = 157,377.12 × 68,729.40
  4. Step 4: Simplify right side
    114,037.08x = 10,816,435,031.33
  5. Step 5: Solve for x
    x = 10,816,435,031.33/114,037.08
  6. Step 6: Final answer
    x = 94,850.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.