Home / 109,847.40-151,582.27-61,440.95

Finding the Fourth Proportional to 109,847.40, 151,582.27 and 61,440.95

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Solution

The fourth proportional to 109,847.40, 151,582.27 and 61,440.95 is: 84,784.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,847.40 : 151,582.27 = 61,440.95 : x
  2. Step 2: Convert to fraction form
    109,847.40/151,582.27 = 61,440.95/x
  3. Step 3: Cross multiply
    109,847.40x = 151,582.27 × 61,440.95
  4. Step 4: Simplify right side
    109,847.40x = 9,313,358,364.75
  5. Step 5: Solve for x
    x = 9,313,358,364.75/109,847.40
  6. Step 6: Final answer
    x = 84,784.52

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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.