Home / 56,018.02-77,252.92-40,886.74

Finding the Fourth Proportional to 56,018.02, 77,252.92 and 40,886.74

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Solution

The fourth proportional to 56,018.02, 77,252.92 and 40,886.74 is: 56,385.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,018.02 : 77,252.92 = 40,886.74 : x
  2. Step 2: Convert to fraction form
    56,018.02/77,252.92 = 40,886.74/x
  3. Step 3: Cross multiply
    56,018.02x = 77,252.92 × 40,886.74
  4. Step 4: Simplify right side
    56,018.02x = 3,158,620,054.28
  5. Step 5: Solve for x
    x = 3,158,620,054.28/56,018.02
  6. Step 6: Final answer
    x = 56,385.79

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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.