Home / 99,335.48-137,063.28-55,729.44

Finding the Fourth Proportional to 99,335.48, 137,063.28 and 55,729.44

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Solution

The fourth proportional to 99,335.48, 137,063.28 and 55,729.44 is: 76,895.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,335.48 : 137,063.28 = 55,729.44 : x
  2. Step 2: Convert to fraction form
    99,335.48/137,063.28 = 55,729.44/x
  3. Step 3: Cross multiply
    99,335.48x = 137,063.28 × 55,729.44
  4. Step 4: Simplify right side
    99,335.48x = 7,638,459,838.96
  5. Step 5: Solve for x
    x = 7,638,459,838.96/99,335.48
  6. Step 6: Final answer
    x = 76,895.58

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1.5x scale

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.