Home / 99,967.36-137,999.28-62,266.72

Finding the Fourth Proportional to 99,967.36, 137,999.28 and 62,266.72

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Solution

The fourth proportional to 99,967.36, 137,999.28 and 62,266.72 is: 85,955.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,967.36 : 137,999.28 = 62,266.72 : x
  2. Step 2: Convert to fraction form
    99,967.36/137,999.28 = 62,266.72/x
  3. Step 3: Cross multiply
    99,967.36x = 137,999.28 × 62,266.72
  4. Step 4: Simplify right side
    99,967.36x = 8,592,762,527.96
  5. Step 5: Solve for x
    x = 8,592,762,527.96/99,967.36
  6. Step 6: Final answer
    x = 85,955.68

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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.