Home / 56,011.03-77,294.15-30,517.09

Finding the Fourth Proportional to 56,011.03, 77,294.15 and 30,517.09

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Solution

The fourth proportional to 56,011.03, 77,294.15 and 30,517.09 is: 42,113.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,011.03 : 77,294.15 = 30,517.09 : x
  2. Step 2: Convert to fraction form
    56,011.03/77,294.15 = 30,517.09/x
  3. Step 3: Cross multiply
    56,011.03x = 77,294.15 × 30,517.09
  4. Step 4: Simplify right side
    56,011.03x = 2,358,792,300.64
  5. Step 5: Solve for x
    x = 2,358,792,300.64/56,011.03
  6. Step 6: Final answer
    x = 42,113.00

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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.