Home / 77,030.09-106,290.93-43,034.36

Finding the Fourth Proportional to 77,030.09, 106,290.93 and 43,034.36

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Solution

The fourth proportional to 77,030.09, 106,290.93 and 43,034.36 is: 59,381.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,030.09 : 106,290.93 = 43,034.36 : x
  2. Step 2: Convert to fraction form
    77,030.09/106,290.93 = 43,034.36/x
  3. Step 3: Cross multiply
    77,030.09x = 106,290.93 × 43,034.36
  4. Step 4: Simplify right side
    77,030.09x = 4,574,161,776.28
  5. Step 5: Solve for x
    x = 4,574,161,776.28/77,030.09
  6. Step 6: Final answer
    x = 59,381.49

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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.