Home / 89,973.34-124,162.63-49,686.77

Finding the Fourth Proportional to 89,973.34, 124,162.63 and 49,686.77

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Solution

The fourth proportional to 89,973.34, 124,162.63 and 49,686.77 is: 68,567.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,973.34 : 124,162.63 = 49,686.77 : x
  2. Step 2: Convert to fraction form
    89,973.34/124,162.63 = 49,686.77/x
  3. Step 3: Cross multiply
    89,973.34x = 124,162.63 × 49,686.77
  4. Step 4: Simplify right side
    89,973.34x = 6,169,240,225.59
  5. Step 5: Solve for x
    x = 6,169,240,225.59/89,973.34
  6. Step 6: Final answer
    x = 68,567.43

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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.