Home / 77,706.84-107,225.35-43,714.18

Finding the Fourth Proportional to 77,706.84, 107,225.35 and 43,714.18

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Solution

The fourth proportional to 77,706.84, 107,225.35 and 43,714.18 is: 60,319.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,706.84 : 107,225.35 = 43,714.18 : x
  2. Step 2: Convert to fraction form
    77,706.84/107,225.35 = 43,714.18/x
  3. Step 3: Cross multiply
    77,706.84x = 107,225.35 × 43,714.18
  4. Step 4: Simplify right side
    77,706.84x = 4,687,267,495.77
  5. Step 5: Solve for x
    x = 4,687,267,495.77/77,706.84
  6. Step 6: Final answer
    x = 60,319.89

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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.