Home / 106,931.27-147,602.03-61,627.34

Finding the Fourth Proportional to 106,931.27, 147,602.03 and 61,627.34

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Solution

The fourth proportional to 106,931.27, 147,602.03 and 61,627.34 is: 85,066.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,931.27 : 147,602.03 = 61,627.34 : x
  2. Step 2: Convert to fraction form
    106,931.27/147,602.03 = 61,627.34/x
  3. Step 3: Cross multiply
    106,931.27x = 147,602.03 × 61,627.34
  4. Step 4: Simplify right side
    106,931.27x = 9,096,320,548.37
  5. Step 5: Solve for x
    x = 9,096,320,548.37/106,931.27
  6. Step 6: Final answer
    x = 85,066.98

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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.