Home / 56,396.07-77,827.35-30,901.93

Finding the Fourth Proportional to 56,396.07, 77,827.35 and 30,901.93

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Solution

The fourth proportional to 56,396.07, 77,827.35 and 30,901.93 is: 42,645.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,396.07 : 77,827.35 = 30,901.93 : x
  2. Step 2: Convert to fraction form
    56,396.07/77,827.35 = 30,901.93/x
  3. Step 3: Cross multiply
    56,396.07x = 77,827.35 × 30,901.93
  4. Step 4: Simplify right side
    56,396.07x = 2,405,015,167.28
  5. Step 5: Solve for x
    x = 2,405,015,167.28/56,396.07
  6. Step 6: Final answer
    x = 42,645.08

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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.