Home / 99,106.69-136,768.24-53,785.07

Finding the Fourth Proportional to 99,106.69, 136,768.24 and 53,785.07

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Solution

The fourth proportional to 99,106.69, 136,768.24 and 53,785.07 is: 74,223.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,106.69 : 136,768.24 = 53,785.07 : x
  2. Step 2: Convert to fraction form
    99,106.69/136,768.24 = 53,785.07/x
  3. Step 3: Cross multiply
    99,106.69x = 136,768.24 × 53,785.07
  4. Step 4: Simplify right side
    99,106.69x = 7,356,088,409.41
  5. Step 5: Solve for x
    x = 7,356,088,409.41/99,106.69
  6. Step 6: Final answer
    x = 74,223.93

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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.