Home / 76,153.16-105,077.61-43,881.95

Finding the Fourth Proportional to 76,153.16, 105,077.61 and 43,881.95

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Solution

The fourth proportional to 76,153.16, 105,077.61 and 43,881.95 is: 60,549.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,153.16 : 105,077.61 = 43,881.95 : x
  2. Step 2: Convert to fraction form
    76,153.16/105,077.61 = 43,881.95/x
  3. Step 3: Cross multiply
    76,153.16x = 105,077.61 × 43,881.95
  4. Step 4: Simplify right side
    76,153.16x = 4,611,009,902.75
  5. Step 5: Solve for x
    x = 4,611,009,902.75/76,153.16
  6. Step 6: Final answer
    x = 60,549.16

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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.