Home / 76,024.40-114,036.60-31,636.40

Finding the Fourth Proportional to 76,024.40, 114,036.60 and 31,636.40

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Solution

The fourth proportional to 76,024.40, 114,036.60 and 31,636.40 is: 47,454.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,024.40 : 114,036.60 = 31,636.40 : x
  2. Step 2: Convert to fraction form
    76,024.40/114,036.60 = 31,636.40/x
  3. Step 3: Cross multiply
    76,024.40x = 114,036.60 × 31,636.40
  4. Step 4: Simplify right side
    76,024.40x = 3,607,707,492.24
  5. Step 5: Solve for x
    x = 3,607,707,492.24/76,024.40
  6. Step 6: Final answer
    x = 47,454.60

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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.