Home / 56,291.75-77,681.99-30,798.62

Finding the Fourth Proportional to 56,291.75, 77,681.99 and 30,798.62

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Solution

The fourth proportional to 56,291.75, 77,681.99 and 30,798.62 is: 42,501.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,291.75 : 77,681.99 = 30,798.62 : x
  2. Step 2: Convert to fraction form
    56,291.75/77,681.99 = 30,798.62/x
  3. Step 3: Cross multiply
    56,291.75x = 77,681.99 × 30,798.62
  4. Step 4: Simplify right side
    56,291.75x = 2,392,497,548.45
  5. Step 5: Solve for x
    x = 2,392,497,548.45/56,291.75
  6. Step 6: Final answer
    x = 42,501.75

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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.