Home / 91,111.07-136,666.76-46,713.54

Finding the Fourth Proportional to 91,111.07, 136,666.76 and 46,713.54

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Solution

The fourth proportional to 91,111.07, 136,666.76 and 46,713.54 is: 70,070.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,111.07 : 136,666.76 = 46,713.54 : x
  2. Step 2: Convert to fraction form
    91,111.07/136,666.76 = 46,713.54/x
  3. Step 3: Cross multiply
    91,111.07x = 136,666.76 × 46,713.54
  4. Step 4: Simplify right side
    91,111.07x = 6,384,187,926.36
  5. Step 5: Solve for x
    x = 6,384,187,926.36/91,111.07
  6. Step 6: Final answer
    x = 70,070.39

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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.