Home / 90,005.04-124,201.81-53,747.41

Finding the Fourth Proportional to 90,005.04, 124,201.81 and 53,747.41

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Solution

The fourth proportional to 90,005.04, 124,201.81 and 53,747.41 is: 74,168.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,005.04 : 124,201.81 = 53,747.41 : x
  2. Step 2: Convert to fraction form
    90,005.04/124,201.81 = 53,747.41/x
  3. Step 3: Cross multiply
    90,005.04x = 124,201.81 × 53,747.41
  4. Step 4: Simplify right side
    90,005.04x = 6,675,525,604.81
  5. Step 5: Solve for x
    x = 6,675,525,604.81/90,005.04
  6. Step 6: Final answer
    x = 74,168.35

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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.