Home / 77,070.56-106,357.07-43,079.01

Finding the Fourth Proportional to 77,070.56, 106,357.07 and 43,079.01

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Solution

The fourth proportional to 77,070.56, 106,357.07 and 43,079.01 is: 59,448.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,070.56 : 106,357.07 = 43,079.01 : x
  2. Step 2: Convert to fraction form
    77,070.56/106,357.07 = 43,079.01/x
  3. Step 3: Cross multiply
    77,070.56x = 106,357.07 × 43,079.01
  4. Step 4: Simplify right side
    77,070.56x = 4,581,757,066.71
  5. Step 5: Solve for x
    x = 4,581,757,066.71/77,070.56
  6. Step 6: Final answer
    x = 59,448.86

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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.