Home / 99,404.37-137,125.75-59,089.45

Finding the Fourth Proportional to 99,404.37, 137,125.75 and 59,089.45

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Solution

The fourth proportional to 99,404.37, 137,125.75 and 59,089.45 is: 81,512.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,404.37 : 137,125.75 = 59,089.45 : x
  2. Step 2: Convert to fraction form
    99,404.37/137,125.75 = 59,089.45/x
  3. Step 3: Cross multiply
    99,404.37x = 137,125.75 × 59,089.45
  4. Step 4: Simplify right side
    99,404.37x = 8,102,685,148.34
  5. Step 5: Solve for x
    x = 8,102,685,148.34/99,404.37
  6. Step 6: Final answer
    x = 81,512.36

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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.