Home / 56,385.12-77,914.10-53,652.18

Finding the Fourth Proportional to 56,385.12, 77,914.10 and 53,652.18

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Solution

The fourth proportional to 56,385.12, 77,914.10 and 53,652.18 is: 74,137.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,385.12 : 77,914.10 = 53,652.18 : x
  2. Step 2: Convert to fraction form
    56,385.12/77,914.10 = 53,652.18/x
  3. Step 3: Cross multiply
    56,385.12x = 77,914.10 × 53,652.18
  4. Step 4: Simplify right side
    56,385.12x = 4,180,261,317.74
  5. Step 5: Solve for x
    x = 4,180,261,317.74/56,385.12
  6. Step 6: Final answer
    x = 74,137.67

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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.