Home / 56,639.61-78,154.08-32,436.81

Finding the Fourth Proportional to 56,639.61, 78,154.08 and 32,436.81

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Solution

The fourth proportional to 56,639.61, 78,154.08 and 32,436.81 is: 44,757.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,639.61 : 78,154.08 = 32,436.81 : x
  2. Step 2: Convert to fraction form
    56,639.61/78,154.08 = 32,436.81/x
  3. Step 3: Cross multiply
    56,639.61x = 78,154.08 × 32,436.81
  4. Step 4: Simplify right side
    56,639.61x = 2,535,069,043.68
  5. Step 5: Solve for x
    x = 2,535,069,043.68/56,639.61
  6. Step 6: Final answer
    x = 44,757.88

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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.