Home / 99,022.71-136,651.41-53,700.68

Finding the Fourth Proportional to 99,022.71, 136,651.41 and 53,700.68

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Solution

The fourth proportional to 99,022.71, 136,651.41 and 53,700.68 is: 74,106.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,022.71 : 136,651.41 = 53,700.68 : x
  2. Step 2: Convert to fraction form
    99,022.71/136,651.41 = 53,700.68/x
  3. Step 3: Cross multiply
    99,022.71x = 136,651.41 × 53,700.68
  4. Step 4: Simplify right side
    99,022.71x = 7,338,273,981.59
  5. Step 5: Solve for x
    x = 7,338,273,981.59/99,022.71
  6. Step 6: Final answer
    x = 74,106.98

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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.