Home / 98,977.10-136,595.63-56,534.72

Finding the Fourth Proportional to 98,977.10, 136,595.63 and 56,534.72

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Solution

The fourth proportional to 98,977.10, 136,595.63 and 56,534.72 is: 78,022.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,977.10 : 136,595.63 = 56,534.72 : x
  2. Step 2: Convert to fraction form
    98,977.10/136,595.63 = 56,534.72/x
  3. Step 3: Cross multiply
    98,977.10x = 136,595.63 × 56,534.72
  4. Step 4: Simplify right side
    98,977.10x = 7,722,395,153.63
  5. Step 5: Solve for x
    x = 7,722,395,153.63/98,977.10
  6. Step 6: Final answer
    x = 78,022.04

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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.