Home / 58,165.29-87,248.40-31,855.68

Finding the Fourth Proportional to 58,165.29, 87,248.40 and 31,855.68

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Solution

The fourth proportional to 58,165.29, 87,248.40 and 31,855.68 is: 47,783.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,165.29 : 87,248.40 = 31,855.68 : x
  2. Step 2: Convert to fraction form
    58,165.29/87,248.40 = 31,855.68/x
  3. Step 3: Cross multiply
    58,165.29x = 87,248.40 × 31,855.68
  4. Step 4: Simplify right side
    58,165.29x = 2,779,357,110.91
  5. Step 5: Solve for x
    x = 2,779,357,110.91/58,165.29
  6. Step 6: Final answer
    x = 47,783.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.