Home / 56,176.12-77,523.02-31,025.40

Finding the Fourth Proportional to 56,176.12, 77,523.02 and 31,025.40

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Solution

The fourth proportional to 56,176.12, 77,523.02 and 31,025.40 is: 42,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,176.12 : 77,523.02 = 31,025.40 : x
  2. Step 2: Convert to fraction form
    56,176.12/77,523.02 = 31,025.40/x
  3. Step 3: Cross multiply
    56,176.12x = 77,523.02 × 31,025.40
  4. Step 4: Simplify right side
    56,176.12x = 2,405,182,704.71
  5. Step 5: Solve for x
    x = 2,405,182,704.71/56,176.12
  6. Step 6: Final answer
    x = 42,815.04

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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.