Home / 55,645.52-76,746.12-48,916.76

Finding the Fourth Proportional to 55,645.52, 76,746.12 and 48,916.76

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Solution

The fourth proportional to 55,645.52, 76,746.12 and 48,916.76 is: 67,465.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,645.52 : 76,746.12 = 48,916.76 : x
  2. Step 2: Convert to fraction form
    55,645.52/76,746.12 = 48,916.76/x
  3. Step 3: Cross multiply
    55,645.52x = 76,746.12 × 48,916.76
  4. Step 4: Simplify right side
    55,645.52x = 3,754,171,532.97
  5. Step 5: Solve for x
    x = 3,754,171,532.97/55,645.52
  6. Step 6: Final answer
    x = 67,465.84

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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.