Home / 51,936.32-71,521.12-45,127.20

Finding the Fourth Proportional to 51,936.32, 71,521.12 and 45,127.20

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Solution

The fourth proportional to 51,936.32, 71,521.12 and 45,127.20 is: 62,144.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,936.32 : 71,521.12 = 45,127.20 : x
  2. Step 2: Convert to fraction form
    51,936.32/71,521.12 = 45,127.20/x
  3. Step 3: Cross multiply
    51,936.32x = 71,521.12 × 45,127.20
  4. Step 4: Simplify right side
    51,936.32x = 3,227,547,886.46
  5. Step 5: Solve for x
    x = 3,227,547,886.46/51,936.32
  6. Step 6: Final answer
    x = 62,144.33

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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.