Home / 91,006.35-136,509.53-83,133.15

Finding the Fourth Proportional to 91,006.35, 136,509.53 and 83,133.15

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Solution

The fourth proportional to 91,006.35, 136,509.53 and 83,133.15 is: 124,699.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,006.35 : 136,509.53 = 83,133.15 : x
  2. Step 2: Convert to fraction form
    91,006.35/136,509.53 = 83,133.15/x
  3. Step 3: Cross multiply
    91,006.35x = 136,509.53 × 83,133.15
  4. Step 4: Simplify right side
    91,006.35x = 11,348,466,818.25
  5. Step 5: Solve for x
    x = 11,348,466,818.25/91,006.35
  6. Step 6: Final answer
    x = 124,699.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.