Home / 98,723.02-136,240.99-54,011.02

Finding the Fourth Proportional to 98,723.02, 136,240.99 and 54,011.02

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Solution

The fourth proportional to 98,723.02, 136,240.99 and 54,011.02 is: 74,536.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,723.02 : 136,240.99 = 54,011.02 : x
  2. Step 2: Convert to fraction form
    98,723.02/136,240.99 = 54,011.02/x
  3. Step 3: Cross multiply
    98,723.02x = 136,240.99 × 54,011.02
  4. Step 4: Simplify right side
    98,723.02x = 7,358,514,835.71
  5. Step 5: Solve for x
    x = 7,358,514,835.71/98,723.02
  6. Step 6: Final answer
    x = 74,536.97

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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.