Home / 76,400.07-105,432.06-44,562.81

Finding the Fourth Proportional to 76,400.07, 105,432.06 and 44,562.81

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Solution

The fourth proportional to 76,400.07, 105,432.06 and 44,562.81 is: 61,496.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,400.07 : 105,432.06 = 44,562.81 : x
  2. Step 2: Convert to fraction form
    76,400.07/105,432.06 = 44,562.81/x
  3. Step 3: Cross multiply
    76,400.07x = 105,432.06 × 44,562.81
  4. Step 4: Simplify right side
    76,400.07x = 4,698,348,857.69
  5. Step 5: Solve for x
    x = 4,698,348,857.69/76,400.07
  6. Step 6: Final answer
    x = 61,496.66

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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.