Home / 71,981.10-107,750.16-46,967.28

Finding the Fourth Proportional to 71,981.10, 107,750.16 and 46,967.28

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Solution

The fourth proportional to 71,981.10, 107,750.16 and 46,967.28 is: 70,306.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,981.10 : 107,750.16 = 46,967.28 : x
  2. Step 2: Convert to fraction form
    71,981.10/107,750.16 = 46,967.28/x
  3. Step 3: Cross multiply
    71,981.10x = 107,750.16 × 46,967.28
  4. Step 4: Simplify right side
    71,981.10x = 5,060,731,934.76
  5. Step 5: Solve for x
    x = 5,060,731,934.76/71,981.10
  6. Step 6: Final answer
    x = 70,306.40

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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.