Home / 49,702.17-74,541.65-31,878.93

Finding the Fourth Proportional to 49,702.17, 74,541.65 and 31,878.93

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Solution

The fourth proportional to 49,702.17, 74,541.65 and 31,878.93 is: 47,810.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,702.17 : 74,541.65 = 31,878.93 : x
  2. Step 2: Convert to fraction form
    49,702.17/74,541.65 = 31,878.93/x
  3. Step 3: Cross multiply
    49,702.17x = 74,541.65 × 31,878.93
  4. Step 4: Simplify right side
    49,702.17x = 2,376,307,883.04
  5. Step 5: Solve for x
    x = 2,376,307,883.04/49,702.17
  6. Step 6: Final answer
    x = 47,810.95

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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.