Home / 99,531.40-149,297.10-57,483.40

Finding the Fourth Proportional to 99,531.40, 149,297.10 and 57,483.40

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Solution

The fourth proportional to 99,531.40, 149,297.10 and 57,483.40 is: 86,225.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,531.40 : 149,297.10 = 57,483.40 : x
  2. Step 2: Convert to fraction form
    99,531.40/149,297.10 = 57,483.40/x
  3. Step 3: Cross multiply
    99,531.40x = 149,297.10 × 57,483.40
  4. Step 4: Simplify right side
    99,531.40x = 8,582,104,918.14
  5. Step 5: Solve for x
    x = 8,582,104,918.14/99,531.40
  6. Step 6: Final answer
    x = 86,225.10

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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.