Home / 76,308.36-105,312.20-44,476.58

Finding the Fourth Proportional to 76,308.36, 105,312.20 and 44,476.58

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Solution

The fourth proportional to 76,308.36, 105,312.20 and 44,476.58 is: 61,381.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,308.36 : 105,312.20 = 44,476.58 : x
  2. Step 2: Convert to fraction form
    76,308.36/105,312.20 = 44,476.58/x
  3. Step 3: Cross multiply
    76,308.36x = 105,312.20 × 44,476.58
  4. Step 4: Simplify right side
    76,308.36x = 4,683,925,739.33
  5. Step 5: Solve for x
    x = 4,683,925,739.33/76,308.36
  6. Step 6: Final answer
    x = 61,381.55

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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.