Home / 62,711.36-86,330.65-54,329.89

Finding the Fourth Proportional to 62,711.36, 86,330.65 and 54,329.89

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Solution

The fourth proportional to 62,711.36, 86,330.65 and 54,329.89 is: 74,792.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,711.36 : 86,330.65 = 54,329.89 : x
  2. Step 2: Convert to fraction form
    62,711.36/86,330.65 = 54,329.89/x
  3. Step 3: Cross multiply
    62,711.36x = 86,330.65 × 54,329.89
  4. Step 4: Simplify right side
    62,711.36x = 4,690,334,014.83
  5. Step 5: Solve for x
    x = 4,690,334,014.83/62,711.36
  6. Step 6: Final answer
    x = 74,792.41

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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.