Home / 76,729.53-105,892.08-46,516.13

Finding the Fourth Proportional to 76,729.53, 105,892.08 and 46,516.13

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Solution

The fourth proportional to 76,729.53, 105,892.08 and 46,516.13 is: 64,195.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,729.53 : 105,892.08 = 46,516.13 : x
  2. Step 2: Convert to fraction form
    76,729.53/105,892.08 = 46,516.13/x
  3. Step 3: Cross multiply
    76,729.53x = 105,892.08 × 46,516.13
  4. Step 4: Simplify right side
    76,729.53x = 4,925,689,759.25
  5. Step 5: Solve for x
    x = 4,925,689,759.25/76,729.53
  6. Step 6: Final answer
    x = 64,195.49

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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.