Home / 69,886.16-96,443.35-38,055.18

Finding the Fourth Proportional to 69,886.16, 96,443.35 and 38,055.18

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Solution

The fourth proportional to 69,886.16, 96,443.35 and 38,055.18 is: 52,516.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,886.16 : 96,443.35 = 38,055.18 : x
  2. Step 2: Convert to fraction form
    69,886.16/96,443.35 = 38,055.18/x
  3. Step 3: Cross multiply
    69,886.16x = 96,443.35 × 38,055.18
  4. Step 4: Simplify right side
    69,886.16x = 3,670,169,044.05
  5. Step 5: Solve for x
    x = 3,670,169,044.05/69,886.16
  6. Step 6: Final answer
    x = 52,516.39

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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.