Home / 124,564.40-171,902.64-70,857.08

Finding the Fourth Proportional to 124,564.40, 171,902.64 and 70,857.08

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Solution

The fourth proportional to 124,564.40, 171,902.64 and 70,857.08 is: 97,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,564.40 : 171,902.64 = 70,857.08 : x
  2. Step 2: Convert to fraction form
    124,564.40/171,902.64 = 70,857.08/x
  3. Step 3: Cross multiply
    124,564.40x = 171,902.64 × 70,857.08
  4. Step 4: Simplify right side
    124,564.40x = 12,180,519,114.69
  5. Step 5: Solve for x
    x = 12,180,519,114.69/124,564.40
  6. Step 6: Final answer
    x = 97,784.91

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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.