Home / 98,390.48-147,585.78-42,194.32

Finding the Fourth Proportional to 98,390.48, 147,585.78 and 42,194.32

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Solution

The fourth proportional to 98,390.48, 147,585.78 and 42,194.32 is: 63,291.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,390.48 : 147,585.78 = 42,194.32 : x
  2. Step 2: Convert to fraction form
    98,390.48/147,585.78 = 42,194.32/x
  3. Step 3: Cross multiply
    98,390.48x = 147,585.78 × 42,194.32
  4. Step 4: Simplify right side
    98,390.48x = 6,227,281,628.77
  5. Step 5: Solve for x
    x = 6,227,281,628.77/98,390.48
  6. Step 6: Final answer
    x = 63,291.51

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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.