Home / 55,480.08-76,602.60-34,288.40

Finding the Fourth Proportional to 55,480.08, 76,602.60 and 34,288.40

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Solution

The fourth proportional to 55,480.08, 76,602.60 and 34,288.40 is: 47,342.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,480.08 : 76,602.60 = 34,288.40 : x
  2. Step 2: Convert to fraction form
    55,480.08/76,602.60 = 34,288.40/x
  3. Step 3: Cross multiply
    55,480.08x = 76,602.60 × 34,288.40
  4. Step 4: Simplify right side
    55,480.08x = 2,626,580,589.84
  5. Step 5: Solve for x
    x = 2,626,580,589.84/55,480.08
  6. Step 6: Final answer
    x = 47,342.77

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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.