Home / 74,271.94-102,495.44-42,440.76

Finding the Fourth Proportional to 74,271.94, 102,495.44 and 42,440.76

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Solution

The fourth proportional to 74,271.94, 102,495.44 and 42,440.76 is: 58,568.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,271.94 : 102,495.44 = 42,440.76 : x
  2. Step 2: Convert to fraction form
    74,271.94/102,495.44 = 42,440.76/x
  3. Step 3: Cross multiply
    74,271.94x = 102,495.44 × 42,440.76
  4. Step 4: Simplify right side
    74,271.94x = 4,349,984,476.24
  5. Step 5: Solve for x
    x = 4,349,984,476.24/74,271.94
  6. Step 6: Final answer
    x = 58,568.35

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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.