Home / 91,008.81-136,545.62-46,656.45

Finding the Fourth Proportional to 91,008.81, 136,545.62 and 46,656.45

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Solution

The fourth proportional to 91,008.81, 136,545.62 and 46,656.45 is: 70,001.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,008.81 : 136,545.62 = 46,656.45 : x
  2. Step 2: Convert to fraction form
    91,008.81/136,545.62 = 46,656.45/x
  3. Step 3: Cross multiply
    91,008.81x = 136,545.62 × 46,656.45
  4. Step 4: Simplify right side
    91,008.81x = 6,370,733,658.97
  5. Step 5: Solve for x
    x = 6,370,733,658.97/91,008.81
  6. Step 6: Final answer
    x = 70,001.29

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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.