Home / 56,444.40-77,894.18-30,953.10

Finding the Fourth Proportional to 56,444.40, 77,894.18 and 30,953.10

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Solution

The fourth proportional to 56,444.40, 77,894.18 and 30,953.10 is: 42,715.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,444.40 : 77,894.18 = 30,953.10 : x
  2. Step 2: Convert to fraction form
    56,444.40/77,894.18 = 30,953.10/x
  3. Step 3: Cross multiply
    56,444.40x = 77,894.18 × 30,953.10
  4. Step 4: Simplify right side
    56,444.40x = 2,411,066,342.96
  5. Step 5: Solve for x
    x = 2,411,066,342.96/56,444.40
  6. Step 6: Final answer
    x = 42,715.78

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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.