Home / 76,886.40-115,289.22-34,730.16

Finding the Fourth Proportional to 76,886.40, 115,289.22 and 34,730.16

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Solution

The fourth proportional to 76,886.40, 115,289.22 and 34,730.16 is: 52,077.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,886.40 : 115,289.22 = 34,730.16 : x
  2. Step 2: Convert to fraction form
    76,886.40/115,289.22 = 34,730.16/x
  3. Step 3: Cross multiply
    76,886.40x = 115,289.22 × 34,730.16
  4. Step 4: Simplify right side
    76,886.40x = 4,004,013,056.88
  5. Step 5: Solve for x
    x = 4,004,013,056.88/76,886.40
  6. Step 6: Final answer
    x = 52,077.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.