Home / 107,921.04-148,931.67-60,177.40

Finding the Fourth Proportional to 107,921.04, 148,931.67 and 60,177.40

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Solution

The fourth proportional to 107,921.04, 148,931.67 and 60,177.40 is: 83,045.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,921.04 : 148,931.67 = 60,177.40 : x
  2. Step 2: Convert to fraction form
    107,921.04/148,931.67 = 60,177.40/x
  3. Step 3: Cross multiply
    107,921.04x = 148,931.67 × 60,177.40
  4. Step 4: Simplify right side
    107,921.04x = 8,962,320,678.26
  5. Step 5: Solve for x
    x = 8,962,320,678.26/107,921.04
  6. Step 6: Final answer
    x = 83,045.17

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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.