Home / 99,051.60-148,375.80-61,496.40

Finding the Fourth Proportional to 99,051.60, 148,375.80 and 61,496.40

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Solution

The fourth proportional to 99,051.60, 148,375.80 and 61,496.40 is: 92,119.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,051.60 : 148,375.80 = 61,496.40 : x
  2. Step 2: Convert to fraction form
    99,051.60/148,375.80 = 61,496.40/x
  3. Step 3: Cross multiply
    99,051.60x = 148,375.80 × 61,496.40
  4. Step 4: Simplify right side
    99,051.60x = 9,124,577,547.12
  5. Step 5: Solve for x
    x = 9,124,577,547.12/99,051.60
  6. Step 6: Final answer
    x = 92,119.44

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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.