Home / 56,210.28-77,434.62-48,118.20

Finding the Fourth Proportional to 56,210.28, 77,434.62 and 48,118.20

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Solution

The fourth proportional to 56,210.28, 77,434.62 and 48,118.20 is: 66,287.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,210.28 : 77,434.62 = 48,118.20 : x
  2. Step 2: Convert to fraction form
    56,210.28/77,434.62 = 48,118.20/x
  3. Step 3: Cross multiply
    56,210.28x = 77,434.62 × 48,118.20
  4. Step 4: Simplify right side
    56,210.28x = 3,726,014,532.08
  5. Step 5: Solve for x
    x = 3,726,014,532.08/56,210.28
  6. Step 6: Final answer
    x = 66,287.07

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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.