Home / 76,897.63-115,348.20-23,590.72

Finding the Fourth Proportional to 76,897.63, 115,348.20 and 23,590.72

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Solution

The fourth proportional to 76,897.63, 115,348.20 and 23,590.72 is: 35,386.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,897.63 : 115,348.20 = 23,590.72 : x
  2. Step 2: Convert to fraction form
    76,897.63/115,348.20 = 23,590.72/x
  3. Step 3: Cross multiply
    76,897.63x = 115,348.20 × 23,590.72
  4. Step 4: Simplify right side
    76,897.63x = 2,721,147,088.70
  5. Step 5: Solve for x
    x = 2,721,147,088.70/76,897.63
  6. Step 6: Final answer
    x = 35,386.62

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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.