Home / 102,209.32-141,048.74-59,759.40

Finding the Fourth Proportional to 102,209.32, 141,048.74 and 59,759.40

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Solution

The fourth proportional to 102,209.32, 141,048.74 and 59,759.40 is: 82,467.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,209.32 : 141,048.74 = 59,759.40 : x
  2. Step 2: Convert to fraction form
    102,209.32/141,048.74 = 59,759.40/x
  3. Step 3: Cross multiply
    102,209.32x = 141,048.74 × 59,759.40
  4. Step 4: Simplify right side
    102,209.32x = 8,428,988,073.16
  5. Step 5: Solve for x
    x = 8,428,988,073.16/102,209.32
  6. Step 6: Final answer
    x = 82,467.90

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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.