Home / 45,155.88-62,280.90-39,557.16

Finding the Fourth Proportional to 45,155.88, 62,280.90 and 39,557.16

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Solution

The fourth proportional to 45,155.88, 62,280.90 and 39,557.16 is: 54,558.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,155.88 : 62,280.90 = 39,557.16 : x
  2. Step 2: Convert to fraction form
    45,155.88/62,280.90 = 39,557.16/x
  3. Step 3: Cross multiply
    45,155.88x = 62,280.90 × 39,557.16
  4. Step 4: Simplify right side
    45,155.88x = 2,463,655,526.24
  5. Step 5: Solve for x
    x = 2,463,655,526.24/45,155.88
  6. Step 6: Final answer
    x = 54,558.91

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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.