Home / 60,701.10-91,051.65-38,612.40

Finding the Fourth Proportional to 60,701.10, 91,051.65 and 38,612.40

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Solution

The fourth proportional to 60,701.10, 91,051.65 and 38,612.40 is: 57,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,701.10 : 91,051.65 = 38,612.40 : x
  2. Step 2: Convert to fraction form
    60,701.10/91,051.65 = 38,612.40/x
  3. Step 3: Cross multiply
    60,701.10x = 91,051.65 × 38,612.40
  4. Step 4: Simplify right side
    60,701.10x = 3,515,722,730.46
  5. Step 5: Solve for x
    x = 3,515,722,730.46/60,701.10
  6. Step 6: Final answer
    x = 57,918.60

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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.