Home / 56,756.24-78,318.60-32,875.28

Finding the Fourth Proportional to 56,756.24, 78,318.60 and 32,875.28

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Solution

The fourth proportional to 56,756.24, 78,318.60 and 32,875.28 is: 45,364.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,756.24 : 78,318.60 = 32,875.28 : x
  2. Step 2: Convert to fraction form
    56,756.24/78,318.60 = 32,875.28/x
  3. Step 3: Cross multiply
    56,756.24x = 78,318.60 × 32,875.28
  4. Step 4: Simplify right side
    56,756.24x = 2,574,745,904.21
  5. Step 5: Solve for x
    x = 2,574,745,904.21/56,756.24
  6. Step 6: Final answer
    x = 45,364.98

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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.