Home / 105,988.43-146,263.59-60,666.19

Finding the Fourth Proportional to 105,988.43, 146,263.59 and 60,666.19

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Solution

The fourth proportional to 105,988.43, 146,263.59 and 60,666.19 is: 83,719.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,988.43 : 146,263.59 = 60,666.19 : x
  2. Step 2: Convert to fraction form
    105,988.43/146,263.59 = 60,666.19/x
  3. Step 3: Cross multiply
    105,988.43x = 146,263.59 × 60,666.19
  4. Step 4: Simplify right side
    105,988.43x = 8,873,254,375.36
  5. Step 5: Solve for x
    x = 8,873,254,375.36/105,988.43
  6. Step 6: Final answer
    x = 83,719.08

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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.