Home / 61,315.79-84,616.35-37,117.31

Finding the Fourth Proportional to 61,315.79, 84,616.35 and 37,117.31

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Solution

The fourth proportional to 61,315.79, 84,616.35 and 37,117.31 is: 51,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,315.79 : 84,616.35 = 37,117.31 : x
  2. Step 2: Convert to fraction form
    61,315.79/84,616.35 = 37,117.31/x
  3. Step 3: Cross multiply
    61,315.79x = 84,616.35 × 37,117.31
  4. Step 4: Simplify right side
    61,315.79x = 3,140,731,294.02
  5. Step 5: Solve for x
    x = 3,140,731,294.02/61,315.79
  6. Step 6: Final answer
    x = 51,222.23

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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.