Home / 99,254.56-136,966.80-61,532.32

Finding the Fourth Proportional to 99,254.56, 136,966.80 and 61,532.32

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Solution

The fourth proportional to 99,254.56, 136,966.80 and 61,532.32 is: 84,911.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,254.56 : 136,966.80 = 61,532.32 : x
  2. Step 2: Convert to fraction form
    99,254.56/136,966.80 = 61,532.32/x
  3. Step 3: Cross multiply
    99,254.56x = 136,966.80 × 61,532.32
  4. Step 4: Simplify right side
    99,254.56x = 8,427,884,966.98
  5. Step 5: Solve for x
    x = 8,427,884,966.98/99,254.56
  6. Step 6: Final answer
    x = 84,911.82

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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.