Home / 58,775.36-81,108.60-31,916.72

Finding the Fourth Proportional to 58,775.36, 81,108.60 and 31,916.72

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Solution

The fourth proportional to 58,775.36, 81,108.60 and 31,916.72 is: 44,044.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,775.36 : 81,108.60 = 31,916.72 : x
  2. Step 2: Convert to fraction form
    58,775.36/81,108.60 = 31,916.72/x
  3. Step 3: Cross multiply
    58,775.36x = 81,108.60 × 31,916.72
  4. Step 4: Simplify right side
    58,775.36x = 2,588,720,475.79
  5. Step 5: Solve for x
    x = 2,588,720,475.79/58,775.36
  6. Step 6: Final answer
    x = 44,044.32

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1.5x scale

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.