Home / 98,744.33-136,263.80-56,316.53

Finding the Fourth Proportional to 98,744.33, 136,263.80 and 56,316.53

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Solution

The fourth proportional to 98,744.33, 136,263.80 and 56,316.53 is: 77,714.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,744.33 : 136,263.80 = 56,316.53 : x
  2. Step 2: Convert to fraction form
    98,744.33/136,263.80 = 56,316.53/x
  3. Step 3: Cross multiply
    98,744.33x = 136,263.80 × 56,316.53
  4. Step 4: Simplify right side
    98,744.33x = 7,673,903,869.62
  5. Step 5: Solve for x
    x = 7,673,903,869.62/98,744.33
  6. Step 6: Final answer
    x = 77,714.88

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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.