Home / 99,259.17-136,999.26-61,051.56

Finding the Fourth Proportional to 99,259.17, 136,999.26 and 61,051.56

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Solution

The fourth proportional to 99,259.17, 136,999.26 and 61,051.56 is: 84,264.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,259.17 : 136,999.26 = 61,051.56 : x
  2. Step 2: Convert to fraction form
    99,259.17/136,999.26 = 61,051.56/x
  3. Step 3: Cross multiply
    99,259.17x = 136,999.26 × 61,051.56
  4. Step 4: Simplify right side
    99,259.17x = 8,364,018,541.85
  5. Step 5: Solve for x
    x = 8,364,018,541.85/99,259.17
  6. Step 6: Final answer
    x = 84,264.44

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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.