Home / 90,542.65-124,954.70-52,303.81

Finding the Fourth Proportional to 90,542.65, 124,954.70 and 52,303.81

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Solution

The fourth proportional to 90,542.65, 124,954.70 and 52,303.81 is: 72,182.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,542.65 : 124,954.70 = 52,303.81 : x
  2. Step 2: Convert to fraction form
    90,542.65/124,954.70 = 52,303.81/x
  3. Step 3: Cross multiply
    90,542.65x = 124,954.70 × 52,303.81
  4. Step 4: Simplify right side
    90,542.65x = 6,535,607,369.15
  5. Step 5: Solve for x
    x = 6,535,607,369.15/90,542.65
  6. Step 6: Final answer
    x = 72,182.64

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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.