Home / 76,466.24-105,512.64-42,472.16

Finding the Fourth Proportional to 76,466.24, 105,512.64 and 42,472.16

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Solution

The fourth proportional to 76,466.24, 105,512.64 and 42,472.16 is: 58,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,466.24 : 105,512.64 = 42,472.16 : x
  2. Step 2: Convert to fraction form
    76,466.24/105,512.64 = 42,472.16/x
  3. Step 3: Cross multiply
    76,466.24x = 105,512.64 × 42,472.16
  4. Step 4: Simplify right side
    76,466.24x = 4,481,349,728.10
  5. Step 5: Solve for x
    x = 4,481,349,728.10/76,466.24
  6. Step 6: Final answer
    x = 58,605.60

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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.