Home / 101,332.07-139,823.34-57,725.01

Finding the Fourth Proportional to 101,332.07, 139,823.34 and 57,725.01

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Solution

The fourth proportional to 101,332.07, 139,823.34 and 57,725.01 is: 79,652.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,332.07 : 139,823.34 = 57,725.01 : x
  2. Step 2: Convert to fraction form
    101,332.07/139,823.34 = 57,725.01/x
  3. Step 3: Cross multiply
    101,332.07x = 139,823.34 × 57,725.01
  4. Step 4: Simplify right side
    101,332.07x = 8,071,304,038.87
  5. Step 5: Solve for x
    x = 8,071,304,038.87/101,332.07
  6. Step 6: Final answer
    x = 79,652.02

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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.