Home / 76,795.66-105,973.59-42,803.02

Finding the Fourth Proportional to 76,795.66, 105,973.59 and 42,803.02

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Solution

The fourth proportional to 76,795.66, 105,973.59 and 42,803.02 is: 59,065.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,795.66 : 105,973.59 = 42,803.02 : x
  2. Step 2: Convert to fraction form
    76,795.66/105,973.59 = 42,803.02/x
  3. Step 3: Cross multiply
    76,795.66x = 105,973.59 × 42,803.02
  4. Step 4: Simplify right side
    76,795.66x = 4,535,989,692.24
  5. Step 5: Solve for x
    x = 4,535,989,692.24/76,795.66
  6. Step 6: Final answer
    x = 59,065.70

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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.