Home / 99,053.73-136,660.91-56,582.19

Finding the Fourth Proportional to 99,053.73, 136,660.91 and 56,582.19

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Solution

The fourth proportional to 99,053.73, 136,660.91 and 56,582.19 is: 78,064.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,053.73 : 136,660.91 = 56,582.19 : x
  2. Step 2: Convert to fraction form
    99,053.73/136,660.91 = 56,582.19/x
  3. Step 3: Cross multiply
    99,053.73x = 136,660.91 × 56,582.19
  4. Step 4: Simplify right side
    99,053.73x = 7,732,573,292.28
  5. Step 5: Solve for x
    x = 7,732,573,292.28/99,053.73
  6. Step 6: Final answer
    x = 78,064.43

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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.