Home / 99,281.40-148,922.10-52,625.40

Finding the Fourth Proportional to 99,281.40, 148,922.10 and 52,625.40

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Solution

The fourth proportional to 99,281.40, 148,922.10 and 52,625.40 is: 78,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,281.40 : 148,922.10 = 52,625.40 : x
  2. Step 2: Convert to fraction form
    99,281.40/148,922.10 = 52,625.40/x
  3. Step 3: Cross multiply
    99,281.40x = 148,922.10 × 52,625.40
  4. Step 4: Simplify right side
    99,281.40x = 7,837,085,081.34
  5. Step 5: Solve for x
    x = 7,837,085,081.34/99,281.40
  6. Step 6: Final answer
    x = 78,938.10

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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.