Home / 77,466.28-106,906.98-45,636.52

Finding the Fourth Proportional to 77,466.28, 106,906.98 and 45,636.52

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Solution

The fourth proportional to 77,466.28, 106,906.98 and 45,636.52 is: 62,980.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,466.28 : 106,906.98 = 45,636.52 : x
  2. Step 2: Convert to fraction form
    77,466.28/106,906.98 = 45,636.52/x
  3. Step 3: Cross multiply
    77,466.28x = 106,906.98 × 45,636.52
  4. Step 4: Simplify right side
    77,466.28x = 4,878,862,530.91
  5. Step 5: Solve for x
    x = 4,878,862,530.91/77,466.28
  6. Step 6: Final answer
    x = 62,980.47

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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.