Home / 56,154.87-77,493.27-30,661.17

Finding the Fourth Proportional to 56,154.87, 77,493.27 and 30,661.17

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Solution

The fourth proportional to 56,154.87, 77,493.27 and 30,661.17 is: 42,312.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,154.87 : 77,493.27 = 30,661.17 : x
  2. Step 2: Convert to fraction form
    56,154.87/77,493.27 = 30,661.17/x
  3. Step 3: Cross multiply
    56,154.87x = 77,493.27 × 30,661.17
  4. Step 4: Simplify right side
    56,154.87x = 2,376,034,347.28
  5. Step 5: Solve for x
    x = 2,376,034,347.28/56,154.87
  6. Step 6: Final answer
    x = 42,312.17

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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.