Home / 98,795.03-136,335.76-56,354.27

Finding the Fourth Proportional to 98,795.03, 136,335.76 and 56,354.27

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Solution

The fourth proportional to 98,795.03, 136,335.76 and 56,354.27 is: 77,768.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,795.03 : 136,335.76 = 56,354.27 : x
  2. Step 2: Convert to fraction form
    98,795.03/136,335.76 = 56,354.27/x
  3. Step 3: Cross multiply
    98,795.03x = 136,335.76 × 56,354.27
  4. Step 4: Simplify right side
    98,795.03x = 7,683,101,407.13
  5. Step 5: Solve for x
    x = 7,683,101,407.13/98,795.03
  6. Step 6: Final answer
    x = 77,768.10

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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.