Home / 211,099.60-316,666.01-61,342.48

Finding the Fourth Proportional to 211,099.60, 316,666.01 and 61,342.48

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Solution

The fourth proportional to 211,099.60, 316,666.01 and 61,342.48 is: 92,018.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,099.60 : 316,666.01 = 61,342.48 : x
  2. Step 2: Convert to fraction form
    211,099.60/316,666.01 = 61,342.48/x
  3. Step 3: Cross multiply
    211,099.60x = 316,666.01 × 61,342.48
  4. Step 4: Simplify right side
    211,099.60x = 19,425,078,385.10
  5. Step 5: Solve for x
    x = 19,425,078,385.10/211,099.60
  6. Step 6: Final answer
    x = 92,018.55

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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.