Home / 105,208.48-145,181.80-59,897.52

Finding the Fourth Proportional to 105,208.48, 145,181.80 and 59,897.52

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Solution

The fourth proportional to 105,208.48, 145,181.80 and 59,897.52 is: 82,655.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,208.48 : 145,181.80 = 59,897.52 : x
  2. Step 2: Convert to fraction form
    105,208.48/145,181.80 = 59,897.52/x
  3. Step 3: Cross multiply
    105,208.48x = 145,181.80 × 59,897.52
  4. Step 4: Simplify right side
    105,208.48x = 8,696,029,769.14
  5. Step 5: Solve for x
    x = 8,696,029,769.14/105,208.48
  6. Step 6: Final answer
    x = 82,655.22

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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.