Home / 56,895.64-85,276.94-42,810.46

Finding the Fourth Proportional to 56,895.64, 85,276.94 and 42,810.46

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Solution

The fourth proportional to 56,895.64, 85,276.94 and 42,810.46 is: 64,165.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,895.64 : 85,276.94 = 42,810.46 : x
  2. Step 2: Convert to fraction form
    56,895.64/85,276.94 = 42,810.46/x
  3. Step 3: Cross multiply
    56,895.64x = 85,276.94 × 42,810.46
  4. Step 4: Simplify right side
    56,895.64x = 3,650,744,601.55
  5. Step 5: Solve for x
    x = 3,650,744,601.55/56,895.64
  6. Step 6: Final answer
    x = 64,165.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.