Home / 56,047.06-77,341.89-30,894.58

Finding the Fourth Proportional to 56,047.06, 77,341.89 and 30,894.58

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Solution

The fourth proportional to 56,047.06, 77,341.89 and 30,894.58 is: 42,632.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,047.06 : 77,341.89 = 30,894.58 : x
  2. Step 2: Convert to fraction form
    56,047.06/77,341.89 = 30,894.58/x
  3. Step 3: Cross multiply
    56,047.06x = 77,341.89 × 30,894.58
  4. Step 4: Simplify right side
    56,047.06x = 2,389,445,207.96
  5. Step 5: Solve for x
    x = 2,389,445,207.96/56,047.06
  6. Step 6: Final answer
    x = 42,632.84

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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.