Home / 99,186.84-136,877.40-53,864.46

Finding the Fourth Proportional to 99,186.84, 136,877.40 and 53,864.46

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Solution

The fourth proportional to 99,186.84, 136,877.40 and 53,864.46 is: 74,332.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,186.84 : 136,877.40 = 53,864.46 : x
  2. Step 2: Convert to fraction form
    99,186.84/136,877.40 = 53,864.46/x
  3. Step 3: Cross multiply
    99,186.84x = 136,877.40 × 53,864.46
  4. Step 4: Simplify right side
    99,186.84x = 7,372,827,237.20
  5. Step 5: Solve for x
    x = 7,372,827,237.20/99,186.84
  6. Step 6: Final answer
    x = 74,332.72

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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.