Home / 124,528.56-186,792.09-57,931.98

Finding the Fourth Proportional to 124,528.56, 186,792.09 and 57,931.98

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Solution

The fourth proportional to 124,528.56, 186,792.09 and 57,931.98 is: 86,897.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,528.56 : 186,792.09 = 57,931.98 : x
  2. Step 2: Convert to fraction form
    124,528.56/186,792.09 = 57,931.98/x
  3. Step 3: Cross multiply
    124,528.56x = 186,792.09 × 57,931.98
  4. Step 4: Simplify right side
    124,528.56x = 10,821,235,622.04
  5. Step 5: Solve for x
    x = 10,821,235,622.04/124,528.56
  6. Step 6: Final answer
    x = 86,897.62

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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.