Home / 56,151.36-77,591.52-53,417.88

Finding the Fourth Proportional to 56,151.36, 77,591.52 and 53,417.88

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Solution

The fourth proportional to 56,151.36, 77,591.52 and 53,417.88 is: 73,814.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,151.36 : 77,591.52 = 53,417.88 : x
  2. Step 2: Convert to fraction form
    56,151.36/77,591.52 = 53,417.88/x
  3. Step 3: Cross multiply
    56,151.36x = 77,591.52 × 53,417.88
  4. Step 4: Simplify right side
    56,151.36x = 4,144,774,504.38
  5. Step 5: Solve for x
    x = 4,144,774,504.38/56,151.36
  6. Step 6: Final answer
    x = 73,814.32

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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.