Home / 94,623.98-130,428.80-69,089.86

Finding the Fourth Proportional to 94,623.98, 130,428.80 and 69,089.86

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Solution

The fourth proportional to 94,623.98, 130,428.80 and 69,089.86 is: 95,232.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,623.98 : 130,428.80 = 69,089.86 : x
  2. Step 2: Convert to fraction form
    94,623.98/130,428.80 = 69,089.86/x
  3. Step 3: Cross multiply
    94,623.98x = 130,428.80 × 69,089.86
  4. Step 4: Simplify right side
    94,623.98x = 9,011,307,531.97
  5. Step 5: Solve for x
    x = 9,011,307,531.97/94,623.98
  6. Step 6: Final answer
    x = 95,232.81

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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.