Home / 55,312.52-76,330.74-30,160.52

Finding the Fourth Proportional to 55,312.52, 76,330.74 and 30,160.52

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Solution

The fourth proportional to 55,312.52, 76,330.74 and 30,160.52 is: 41,621.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,312.52 : 76,330.74 = 30,160.52 : x
  2. Step 2: Convert to fraction form
    55,312.52/76,330.74 = 30,160.52/x
  3. Step 3: Cross multiply
    55,312.52x = 76,330.74 × 30,160.52
  4. Step 4: Simplify right side
    55,312.52x = 2,302,174,810.38
  5. Step 5: Solve for x
    x = 2,302,174,810.38/55,312.52
  6. Step 6: Final answer
    x = 41,621.22

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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.