Home / 56,210.28-77,424.80-39,184.16

Finding the Fourth Proportional to 56,210.28, 77,424.80 and 39,184.16

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Solution

The fourth proportional to 56,210.28, 77,424.80 and 39,184.16 is: 53,972.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,210.28 : 77,424.80 = 39,184.16 : x
  2. Step 2: Convert to fraction form
    56,210.28/77,424.80 = 39,184.16/x
  3. Step 3: Cross multiply
    56,210.28x = 77,424.80 × 39,184.16
  4. Step 4: Simplify right side
    56,210.28x = 3,033,825,751.17
  5. Step 5: Solve for x
    x = 3,033,825,751.17/56,210.28
  6. Step 6: Final answer
    x = 53,972.79

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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.