Home / 76,640.02-105,766.20-46,408.24

Finding the Fourth Proportional to 76,640.02, 105,766.20 and 46,408.24

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Solution

The fourth proportional to 76,640.02, 105,766.20 and 46,408.24 is: 64,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,640.02 : 105,766.20 = 46,408.24 : x
  2. Step 2: Convert to fraction form
    76,640.02/105,766.20 = 46,408.24/x
  3. Step 3: Cross multiply
    76,640.02x = 105,766.20 × 46,408.24
  4. Step 4: Simplify right side
    76,640.02x = 4,908,423,193.49
  5. Step 5: Solve for x
    x = 4,908,423,193.49/76,640.02
  6. Step 6: Final answer
    x = 64,045.17

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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.