Home / 98,645.04-147,951.36-42,470.02

Finding the Fourth Proportional to 98,645.04, 147,951.36 and 42,470.02

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Solution

The fourth proportional to 98,645.04, 147,951.36 and 42,470.02 is: 63,698.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,645.04 : 147,951.36 = 42,470.02 : x
  2. Step 2: Convert to fraction form
    98,645.04/147,951.36 = 42,470.02/x
  3. Step 3: Cross multiply
    98,645.04x = 147,951.36 × 42,470.02
  4. Step 4: Simplify right side
    98,645.04x = 6,283,497,403.17
  5. Step 5: Solve for x
    x = 6,283,497,403.17/98,645.04
  6. Step 6: Final answer
    x = 63,698.06

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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.