Home / 74,328.24-102,573-42,497.76

Finding the Fourth Proportional to 74,328.24, 102,573 and 42,497.76

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Solution

The fourth proportional to 74,328.24, 102,573 and 42,497.76 is: 58,646.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,328.24 : 102,573 = 42,497.76 : x
  2. Step 2: Convert to fraction form
    74,328.24/102,573 = 42,497.76/x
  3. Step 3: Cross multiply
    74,328.24x = 102,573 × 42,497.76
  4. Step 4: Simplify right side
    74,328.24x = 4,359,122,736.48
  5. Step 5: Solve for x
    x = 4,359,122,736.48/74,328.24
  6. Step 6: Final answer
    x = 58,646.93

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1.5x scale

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.