Home / 76,521.71-105,580.35-44,672.31

Finding the Fourth Proportional to 76,521.71, 105,580.35 and 44,672.31

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Solution

The fourth proportional to 76,521.71, 105,580.35 and 44,672.31 is: 61,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,521.71 : 105,580.35 = 44,672.31 : x
  2. Step 2: Convert to fraction form
    76,521.71/105,580.35 = 44,672.31/x
  3. Step 3: Cross multiply
    76,521.71x = 105,580.35 × 44,672.31
  4. Step 4: Simplify right side
    76,521.71x = 4,716,517,373.85
  5. Step 5: Solve for x
    x = 4,716,517,373.85/76,521.71
  6. Step 6: Final answer
    x = 61,636.33

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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.