Home / 99,222.04-136,925.94-53,899.72

Finding the Fourth Proportional to 99,222.04, 136,925.94 and 53,899.72

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Solution

The fourth proportional to 99,222.04, 136,925.94 and 53,899.72 is: 74,381.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,222.04 : 136,925.94 = 53,899.72 : x
  2. Step 2: Convert to fraction form
    99,222.04/136,925.94 = 53,899.72/x
  3. Step 3: Cross multiply
    99,222.04x = 136,925.94 × 53,899.72
  4. Step 4: Simplify right side
    99,222.04x = 7,380,269,826.74
  5. Step 5: Solve for x
    x = 7,380,269,826.74/99,222.04
  6. Step 6: Final answer
    x = 74,381.36

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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.