Home / 56,597.17-78,100.32-31,102.99

Finding the Fourth Proportional to 56,597.17, 78,100.32 and 31,102.99

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Solution

The fourth proportional to 56,597.17, 78,100.32 and 31,102.99 is: 42,920.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,597.17 : 78,100.32 = 31,102.99 : x
  2. Step 2: Convert to fraction form
    56,597.17/78,100.32 = 31,102.99/x
  3. Step 3: Cross multiply
    56,597.17x = 78,100.32 × 31,102.99
  4. Step 4: Simplify right side
    56,597.17x = 2,429,153,471.96
  5. Step 5: Solve for x
    x = 2,429,153,471.96/56,597.17
  6. Step 6: Final answer
    x = 42,920.05

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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.