Home / 76,218.90-105,183.27-44,386.98

Finding the Fourth Proportional to 76,218.90, 105,183.27 and 44,386.98

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Solution

The fourth proportional to 76,218.90, 105,183.27 and 44,386.98 is: 61,254.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,218.90 : 105,183.27 = 44,386.98 : x
  2. Step 2: Convert to fraction form
    76,218.90/105,183.27 = 44,386.98/x
  3. Step 3: Cross multiply
    76,218.90x = 105,183.27 × 44,386.98
  4. Step 4: Simplify right side
    76,218.90x = 4,668,767,701.82
  5. Step 5: Solve for x
    x = 4,668,767,701.82/76,218.90
  6. Step 6: Final answer
    x = 61,254.72

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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.