Home / 76,902.12-106,124.94-43,368.12

Finding the Fourth Proportional to 76,902.12, 106,124.94 and 43,368.12

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Solution

The fourth proportional to 76,902.12, 106,124.94 and 43,368.12 is: 59,848.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,902.12 : 106,124.94 = 43,368.12 : x
  2. Step 2: Convert to fraction form
    76,902.12/106,124.94 = 43,368.12/x
  3. Step 3: Cross multiply
    76,902.12x = 106,124.94 × 43,368.12
  4. Step 4: Simplify right side
    76,902.12x = 4,602,439,132.91
  5. Step 5: Solve for x
    x = 4,602,439,132.91/76,902.12
  6. Step 6: Final answer
    x = 59,848.01

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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.