Home / 98,066.64-146,970.84-38,870.04

Finding the Fourth Proportional to 98,066.64, 146,970.84 and 38,870.04

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Solution

The fourth proportional to 98,066.64, 146,970.84 and 38,870.04 is: 58,253.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,066.64 : 146,970.84 = 38,870.04 : x
  2. Step 2: Convert to fraction form
    98,066.64/146,970.84 = 38,870.04/x
  3. Step 3: Cross multiply
    98,066.64x = 146,970.84 × 38,870.04
  4. Step 4: Simplify right side
    98,066.64x = 5,712,762,429.63
  5. Step 5: Solve for x
    x = 5,712,762,429.63/98,066.64
  6. Step 6: Final answer
    x = 58,253.88

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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.