Home / 99,215.49-136,864.89-62,852.79

Finding the Fourth Proportional to 99,215.49, 136,864.89 and 62,852.79

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Solution

The fourth proportional to 99,215.49, 136,864.89 and 62,852.79 is: 86,703.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,215.49 : 136,864.89 = 62,852.79 : x
  2. Step 2: Convert to fraction form
    99,215.49/136,864.89 = 62,852.79/x
  3. Step 3: Cross multiply
    99,215.49x = 136,864.89 × 62,852.79
  4. Step 4: Simplify right side
    99,215.49x = 8,602,340,189.54
  5. Step 5: Solve for x
    x = 8,602,340,189.54/99,215.49
  6. Step 6: Final answer
    x = 86,703.60

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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.