Home / 76,246.98-105,219.33-42,254.76

Finding the Fourth Proportional to 76,246.98, 105,219.33 and 42,254.76

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Solution

The fourth proportional to 76,246.98, 105,219.33 and 42,254.76 is: 58,310.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,246.98 : 105,219.33 = 42,254.76 : x
  2. Step 2: Convert to fraction form
    76,246.98/105,219.33 = 42,254.76/x
  3. Step 3: Cross multiply
    76,246.98x = 105,219.33 × 42,254.76
  4. Step 4: Simplify right side
    76,246.98x = 4,446,017,536.51
  5. Step 5: Solve for x
    x = 4,446,017,536.51/76,246.98
  6. Step 6: Final answer
    x = 58,310.74

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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.