Home / 58,645.84-80,931.43-31,788.45

Finding the Fourth Proportional to 58,645.84, 80,931.43 and 31,788.45

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Solution

The fourth proportional to 58,645.84, 80,931.43 and 31,788.45 is: 43,868.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,645.84 : 80,931.43 = 31,788.45 : x
  2. Step 2: Convert to fraction form
    58,645.84/80,931.43 = 31,788.45/x
  3. Step 3: Cross multiply
    58,645.84x = 80,931.43 × 31,788.45
  4. Step 4: Simplify right side
    58,645.84x = 2,572,684,838.84
  5. Step 5: Solve for x
    x = 2,572,684,838.84/58,645.84
  6. Step 6: Final answer
    x = 43,868.16

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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.