Home / 124,537.50-171,844.40-70,816.57

Finding the Fourth Proportional to 124,537.50, 171,844.40 and 70,816.57

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Solution

The fourth proportional to 124,537.50, 171,844.40 and 70,816.57 is: 97,717.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,537.50 : 171,844.40 = 70,816.57 : x
  2. Step 2: Convert to fraction form
    124,537.50/171,844.40 = 70,816.57/x
  3. Step 3: Cross multiply
    124,537.50x = 171,844.40 × 70,816.57
  4. Step 4: Simplify right side
    124,537.50x = 12,169,430,729.14
  5. Step 5: Solve for x
    x = 12,169,430,729.14/124,537.50
  6. Step 6: Final answer
    x = 97,717.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.