Home / 76,284.41-105,276.08-47,621.04

Finding the Fourth Proportional to 76,284.41, 105,276.08 and 47,621.04

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Solution

The fourth proportional to 76,284.41, 105,276.08 and 47,621.04 is: 65,719.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,284.41 : 105,276.08 = 47,621.04 : x
  2. Step 2: Convert to fraction form
    76,284.41/105,276.08 = 47,621.04/x
  3. Step 3: Cross multiply
    76,284.41x = 105,276.08 × 47,621.04
  4. Step 4: Simplify right side
    76,284.41x = 5,013,356,416.72
  5. Step 5: Solve for x
    x = 5,013,356,416.72/76,284.41
  6. Step 6: Final answer
    x = 65,719.28

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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.