Home / 102,569.87-141,434.83-66,693.35

Finding the Fourth Proportional to 102,569.87, 141,434.83 and 66,693.35

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Solution

The fourth proportional to 102,569.87, 141,434.83 and 66,693.35 is: 91,964.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,569.87 : 141,434.83 = 66,693.35 : x
  2. Step 2: Convert to fraction form
    102,569.87/141,434.83 = 66,693.35/x
  3. Step 3: Cross multiply
    102,569.87x = 141,434.83 × 66,693.35
  4. Step 4: Simplify right side
    102,569.87x = 9,432,762,619.38
  5. Step 5: Solve for x
    x = 9,432,762,619.38/102,569.87
  6. Step 6: Final answer
    x = 91,964.26

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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.