Home / 69,830.64-96,368.31-38,001.58

Finding the Fourth Proportional to 69,830.64, 96,368.31 and 38,001.58

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Solution

The fourth proportional to 69,830.64, 96,368.31 and 38,001.58 is: 52,443.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,830.64 : 96,368.31 = 38,001.58 : x
  2. Step 2: Convert to fraction form
    69,830.64/96,368.31 = 38,001.58/x
  3. Step 3: Cross multiply
    69,830.64x = 96,368.31 × 38,001.58
  4. Step 4: Simplify right side
    69,830.64x = 3,662,147,801.01
  5. Step 5: Solve for x
    x = 3,662,147,801.01/69,830.64
  6. Step 6: Final answer
    x = 52,443.28

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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.