Home / 77,349.13-106,736.23-43,357.38

Finding the Fourth Proportional to 77,349.13, 106,736.23 and 43,357.38

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Solution

The fourth proportional to 77,349.13, 106,736.23 and 43,357.38 is: 59,830.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,349.13 : 106,736.23 = 43,357.38 : x
  2. Step 2: Convert to fraction form
    77,349.13/106,736.23 = 43,357.38/x
  3. Step 3: Cross multiply
    77,349.13x = 106,736.23 × 43,357.38
  4. Step 4: Simplify right side
    77,349.13x = 4,627,802,937.81
  5. Step 5: Solve for x
    x = 4,627,802,937.81/77,349.13
  6. Step 6: Final answer
    x = 59,830.06

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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.