Home / 61,431.65-84,775.59-34,574.35

Finding the Fourth Proportional to 61,431.65, 84,775.59 and 34,574.35

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Solution

The fourth proportional to 61,431.65, 84,775.59 and 34,574.35 is: 47,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,431.65 : 84,775.59 = 34,574.35 : x
  2. Step 2: Convert to fraction form
    61,431.65/84,775.59 = 34,574.35/x
  3. Step 3: Cross multiply
    61,431.65x = 84,775.59 × 34,574.35
  4. Step 4: Simplify right side
    61,431.65x = 2,931,060,920.12
  5. Step 5: Solve for x
    x = 2,931,060,920.12/61,431.65
  6. Step 6: Final answer
    x = 47,712.55

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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.