Home / 99,038.88-136,672.50-53,716.02

Finding the Fourth Proportional to 99,038.88, 136,672.50 and 53,716.02

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Solution

The fourth proportional to 99,038.88, 136,672.50 and 53,716.02 is: 74,127.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,038.88 : 136,672.50 = 53,716.02 : x
  2. Step 2: Convert to fraction form
    99,038.88/136,672.50 = 53,716.02/x
  3. Step 3: Cross multiply
    99,038.88x = 136,672.50 × 53,716.02
  4. Step 4: Simplify right side
    99,038.88x = 7,341,502,743.45
  5. Step 5: Solve for x
    x = 7,341,502,743.45/99,038.88
  6. Step 6: Final answer
    x = 74,127.48

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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.