Home / 99,210.69-148,815.63-36,030.69

Finding the Fourth Proportional to 99,210.69, 148,815.63 and 36,030.69

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Solution

The fourth proportional to 99,210.69, 148,815.63 and 36,030.69 is: 54,045.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,210.69 : 148,815.63 = 36,030.69 : x
  2. Step 2: Convert to fraction form
    99,210.69/148,815.63 = 36,030.69/x
  3. Step 3: Cross multiply
    99,210.69x = 148,815.63 × 36,030.69
  4. Step 4: Simplify right side
    99,210.69x = 5,361,929,831.68
  5. Step 5: Solve for x
    x = 5,361,929,831.68/99,210.69
  6. Step 6: Final answer
    x = 54,045.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.