Home / 56,302.50-77,678.58-32,428.62

Finding the Fourth Proportional to 56,302.50, 77,678.58 and 32,428.62

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Solution

The fourth proportional to 56,302.50, 77,678.58 and 32,428.62 is: 44,740.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,302.50 : 77,678.58 = 32,428.62 : x
  2. Step 2: Convert to fraction form
    56,302.50/77,678.58 = 32,428.62/x
  3. Step 3: Cross multiply
    56,302.50x = 77,678.58 × 32,428.62
  4. Step 4: Simplify right side
    56,302.50x = 2,519,009,152.96
  5. Step 5: Solve for x
    x = 2,519,009,152.96/56,302.50
  6. Step 6: Final answer
    x = 44,740.63

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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.