Home / 98,514.64-135,957.12-56,073.18

Finding the Fourth Proportional to 98,514.64, 135,957.12 and 56,073.18

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Solution

The fourth proportional to 98,514.64, 135,957.12 and 56,073.18 is: 77,384.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,514.64 : 135,957.12 = 56,073.18 : x
  2. Step 2: Convert to fraction form
    98,514.64/135,957.12 = 56,073.18/x
  3. Step 3: Cross multiply
    98,514.64x = 135,957.12 × 56,073.18
  4. Step 4: Simplify right side
    98,514.64x = 7,623,548,062.04
  5. Step 5: Solve for x
    x = 7,623,548,062.04/98,514.64
  6. Step 6: Final answer
    x = 77,384.93

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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.