Home / 99,045.60-148,326.04-89,450.08

Finding the Fourth Proportional to 99,045.60, 148,326.04 and 89,450.08

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Solution

The fourth proportional to 99,045.60, 148,326.04 and 89,450.08 is: 133,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,045.60 : 148,326.04 = 89,450.08 : x
  2. Step 2: Convert to fraction form
    99,045.60/148,326.04 = 89,450.08/x
  3. Step 3: Cross multiply
    99,045.60x = 148,326.04 × 89,450.08
  4. Step 4: Simplify right side
    99,045.60x = 13,267,776,144.08
  5. Step 5: Solve for x
    x = 13,267,776,144.08/99,045.60
  6. Step 6: Final answer
    x = 133,956.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.