Home / 56,317.04-77,686.38-36,176.90

Finding the Fourth Proportional to 56,317.04, 77,686.38 and 36,176.90

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Solution

The fourth proportional to 56,317.04, 77,686.38 and 36,176.90 is: 49,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,317.04 : 77,686.38 = 36,176.90 : x
  2. Step 2: Convert to fraction form
    56,317.04/77,686.38 = 36,176.90/x
  3. Step 3: Cross multiply
    56,317.04x = 77,686.38 × 36,176.90
  4. Step 4: Simplify right side
    56,317.04x = 2,810,452,400.62
  5. Step 5: Solve for x
    x = 2,810,452,400.62/56,317.04
  6. Step 6: Final answer
    x = 49,904.12

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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.