Home / 89,973.94-124,047.57-61,628.98

Finding the Fourth Proportional to 89,973.94, 124,047.57 and 61,628.98

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Solution

The fourth proportional to 89,973.94, 124,047.57 and 61,628.98 is: 84,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,973.94 : 124,047.57 = 61,628.98 : x
  2. Step 2: Convert to fraction form
    89,973.94/124,047.57 = 61,628.98/x
  3. Step 3: Cross multiply
    89,973.94x = 124,047.57 × 61,628.98
  4. Step 4: Simplify right side
    89,973.94x = 7,644,925,210.58
  5. Step 5: Solve for x
    x = 7,644,925,210.58/89,973.94
  6. Step 6: Final answer
    x = 84,968.22

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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.