Home / 112,025.36-154,593.12-61,038.70

Finding the Fourth Proportional to 112,025.36, 154,593.12 and 61,038.70

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Solution

The fourth proportional to 112,025.36, 154,593.12 and 61,038.70 is: 84,232.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,025.36 : 154,593.12 = 61,038.70 : x
  2. Step 2: Convert to fraction form
    112,025.36/154,593.12 = 61,038.70/x
  3. Step 3: Cross multiply
    112,025.36x = 154,593.12 × 61,038.70
  4. Step 4: Simplify right side
    112,025.36x = 9,436,162,916.16
  5. Step 5: Solve for x
    x = 9,436,162,916.16/112,025.36
  6. Step 6: Final answer
    x = 84,232.38

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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.