Home / 60,428.17-90,247.07-51,447.76

Finding the Fourth Proportional to 60,428.17, 90,247.07 and 51,447.76

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Solution

The fourth proportional to 60,428.17, 90,247.07 and 51,447.76 is: 76,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,428.17 : 90,247.07 = 51,447.76 : x
  2. Step 2: Convert to fraction form
    60,428.17/90,247.07 = 51,447.76/x
  3. Step 3: Cross multiply
    60,428.17x = 90,247.07 × 51,447.76
  4. Step 4: Simplify right side
    60,428.17x = 4,643,009,211.14
  5. Step 5: Solve for x
    x = 4,643,009,211.14/60,428.17
  6. Step 6: Final answer
    x = 76,835.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.