Home / 99,247.77-136,960.26-53,926.45

Finding the Fourth Proportional to 99,247.77, 136,960.26 and 53,926.45

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Solution

The fourth proportional to 99,247.77, 136,960.26 and 53,926.45 is: 74,417.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,247.77 : 136,960.26 = 53,926.45 : x
  2. Step 2: Convert to fraction form
    99,247.77/136,960.26 = 53,926.45/x
  3. Step 3: Cross multiply
    99,247.77x = 136,960.26 × 53,926.45
  4. Step 4: Simplify right side
    99,247.77x = 7,385,779,928.08
  5. Step 5: Solve for x
    x = 7,385,779,928.08/99,247.77
  6. Step 6: Final answer
    x = 74,417.59

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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.