Home / 56,903.80-78,527.24-31,410.16

Finding the Fourth Proportional to 56,903.80, 78,527.24 and 31,410.16

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Solution

The fourth proportional to 56,903.80, 78,527.24 and 31,410.16 is: 43,346.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,903.80 : 78,527.24 = 31,410.16 : x
  2. Step 2: Convert to fraction form
    56,903.80/78,527.24 = 31,410.16/x
  3. Step 3: Cross multiply
    56,903.80x = 78,527.24 × 31,410.16
  4. Step 4: Simplify right side
    56,903.80x = 2,466,553,172.76
  5. Step 5: Solve for x
    x = 2,466,553,172.76/56,903.80
  6. Step 6: Final answer
    x = 43,346.02

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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.