Home / 98,853.04-136,417.20-54,141.04

Finding the Fourth Proportional to 98,853.04, 136,417.20 and 54,141.04

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Solution

The fourth proportional to 98,853.04, 136,417.20 and 54,141.04 is: 74,714.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,853.04 : 136,417.20 = 54,141.04 : x
  2. Step 2: Convert to fraction form
    98,853.04/136,417.20 = 54,141.04/x
  3. Step 3: Cross multiply
    98,853.04x = 136,417.20 × 54,141.04
  4. Step 4: Simplify right side
    98,853.04x = 7,385,769,081.89
  5. Step 5: Solve for x
    x = 7,385,769,081.89/98,853.04
  6. Step 6: Final answer
    x = 74,714.64

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1.5x scale

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.