Home / 56,487.17-84,804.57-47,777.45

Finding the Fourth Proportional to 56,487.17, 84,804.57 and 47,777.45

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Solution

The fourth proportional to 56,487.17, 84,804.57 and 47,777.45 is: 71,728.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,487.17 : 84,804.57 = 47,777.45 : x
  2. Step 2: Convert to fraction form
    56,487.17/84,804.57 = 47,777.45/x
  3. Step 3: Cross multiply
    56,487.17x = 84,804.57 × 47,777.45
  4. Step 4: Simplify right side
    56,487.17x = 4,051,745,678.92
  5. Step 5: Solve for x
    x = 4,051,745,678.92/56,487.17
  6. Step 6: Final answer
    x = 71,728.60

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1.5x scale

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.