Home / 46,486-69,981.95-42,352.57

Finding the Fourth Proportional to 46,486, 69,981.95 and 42,352.57

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Solution

The fourth proportional to 46,486, 69,981.95 and 42,352.57 is: 63,759.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,486 : 69,981.95 = 42,352.57 : x
  2. Step 2: Convert to fraction form
    46,486/69,981.95 = 42,352.57/x
  3. Step 3: Cross multiply
    46,486x = 69,981.95 × 42,352.57
  4. Step 4: Simplify right side
    46,486x = 2,963,915,436.11
  5. Step 5: Solve for x
    x = 2,963,915,436.11/46,486
  6. Step 6: Final answer
    x = 63,759.31

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.