Home / 109,666.96-151,337.10-61,917.48

Finding the Fourth Proportional to 109,666.96, 151,337.10 and 61,917.48

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Solution

The fourth proportional to 109,666.96, 151,337.10 and 61,917.48 is: 85,444.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,666.96 : 151,337.10 = 61,917.48 : x
  2. Step 2: Convert to fraction form
    109,666.96/151,337.10 = 61,917.48/x
  3. Step 3: Cross multiply
    109,666.96x = 151,337.10 × 61,917.48
  4. Step 4: Simplify right side
    109,666.96x = 9,370,411,862.51
  5. Step 5: Solve for x
    x = 9,370,411,862.51/109,666.96
  6. Step 6: Final answer
    x = 85,444.26

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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.