Home / 84,677.05-127,023.52-30,655.25

Finding the Fourth Proportional to 84,677.05, 127,023.52 and 30,655.25

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Solution

The fourth proportional to 84,677.05, 127,023.52 and 30,655.25 is: 45,985.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,677.05 : 127,023.52 = 30,655.25 : x
  2. Step 2: Convert to fraction form
    84,677.05/127,023.52 = 30,655.25/x
  3. Step 3: Cross multiply
    84,677.05x = 127,023.52 × 30,655.25
  4. Step 4: Simplify right side
    84,677.05x = 3,893,937,512.69
  5. Step 5: Solve for x
    x = 3,893,937,512.69/84,677.05
  6. Step 6: Final answer
    x = 45,985.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.