Home / 56,344.48-77,755.11-30,503.05

Finding the Fourth Proportional to 56,344.48, 77,755.11 and 30,503.05

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Solution

The fourth proportional to 56,344.48, 77,755.11 and 30,503.05 is: 42,094.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,344.48 : 77,755.11 = 30,503.05 : x
  2. Step 2: Convert to fraction form
    56,344.48/77,755.11 = 30,503.05/x
  3. Step 3: Cross multiply
    56,344.48x = 77,755.11 × 30,503.05
  4. Step 4: Simplify right side
    56,344.48x = 2,371,767,699.31
  5. Step 5: Solve for x
    x = 2,371,767,699.31/56,344.48
  6. Step 6: Final answer
    x = 42,094.06

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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.