Home / 84,499.17-127,341.88-76,074.09

Finding the Fourth Proportional to 84,499.17, 127,341.88 and 76,074.09

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Solution

The fourth proportional to 84,499.17, 127,341.88 and 76,074.09 is: 114,645.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,499.17 : 127,341.88 = 76,074.09 : x
  2. Step 2: Convert to fraction form
    84,499.17/127,341.88 = 76,074.09/x
  3. Step 3: Cross multiply
    84,499.17x = 127,341.88 × 76,074.09
  4. Step 4: Simplify right side
    84,499.17x = 9,687,417,639.89
  5. Step 5: Solve for x
    x = 9,687,417,639.89/84,499.17
  6. Step 6: Final answer
    x = 114,645.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.