Home / 76,299.40-105,256.02-44,456.68

Finding the Fourth Proportional to 76,299.40, 105,256.02 and 44,456.68

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Solution

The fourth proportional to 76,299.40, 105,256.02 and 44,456.68 is: 61,328.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,299.40 : 105,256.02 = 44,456.68 : x
  2. Step 2: Convert to fraction form
    76,299.40/105,256.02 = 44,456.68/x
  3. Step 3: Cross multiply
    76,299.40x = 105,256.02 × 44,456.68
  4. Step 4: Simplify right side
    76,299.40x = 4,679,333,199.21
  5. Step 5: Solve for x
    x = 4,679,333,199.21/76,299.40
  6. Step 6: Final answer
    x = 61,328.57

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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.