Home / 99,157.63-136,836.77-53,834.71

Finding the Fourth Proportional to 99,157.63, 136,836.77 and 53,834.71

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Solution

The fourth proportional to 99,157.63, 136,836.77 and 53,834.71 is: 74,291.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,157.63 : 136,836.77 = 53,834.71 : x
  2. Step 2: Convert to fraction form
    99,157.63/136,836.77 = 53,834.71/x
  3. Step 3: Cross multiply
    99,157.63x = 136,836.77 × 53,834.71
  4. Step 4: Simplify right side
    99,157.63x = 7,366,567,219.02
  5. Step 5: Solve for x
    x = 7,366,567,219.02/99,157.63
  6. Step 6: Final answer
    x = 74,291.48

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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.