Home / 58,167.12-87,251.09-31,857.51

Finding the Fourth Proportional to 58,167.12, 87,251.09 and 31,857.51

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Solution

The fourth proportional to 58,167.12, 87,251.09 and 31,857.51 is: 47,786.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,167.12 : 87,251.09 = 31,857.51 : x
  2. Step 2: Convert to fraction form
    58,167.12/87,251.09 = 31,857.51/x
  3. Step 3: Cross multiply
    58,167.12x = 87,251.09 × 31,857.51
  4. Step 4: Simplify right side
    58,167.12x = 2,779,602,312.90
  5. Step 5: Solve for x
    x = 2,779,602,312.90/58,167.12
  6. Step 6: Final answer
    x = 47,786.49

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1.5x scale

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.