Home / 58,378.12-80,558.50-34,507

Finding the Fourth Proportional to 58,378.12, 80,558.50 and 34,507

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Solution

The fourth proportional to 58,378.12, 80,558.50 and 34,507 is: 47,617.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,378.12 : 80,558.50 = 34,507 : x
  2. Step 2: Convert to fraction form
    58,378.12/80,558.50 = 34,507/x
  3. Step 3: Cross multiply
    58,378.12x = 80,558.50 × 34,507
  4. Step 4: Simplify right side
    58,378.12x = 2,779,832,159.50
  5. Step 5: Solve for x
    x = 2,779,832,159.50/58,378.12
  6. Step 6: Final answer
    x = 47,617.71

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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.