Home / 56,116.02-77,440.05-30,967.22

Finding the Fourth Proportional to 56,116.02, 77,440.05 and 30,967.22

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Solution

The fourth proportional to 56,116.02, 77,440.05 and 30,967.22 is: 42,734.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,116.02 : 77,440.05 = 30,967.22 : x
  2. Step 2: Convert to fraction form
    56,116.02/77,440.05 = 30,967.22/x
  3. Step 3: Cross multiply
    56,116.02x = 77,440.05 × 30,967.22
  4. Step 4: Simplify right side
    56,116.02x = 2,398,103,065.16
  5. Step 5: Solve for x
    x = 2,398,103,065.16/56,116.02
  6. Step 6: Final answer
    x = 42,734.73

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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.