Home / 84,915.96-116,981.49-59,374.53

Finding the Fourth Proportional to 84,915.96, 116,981.49 and 59,374.53

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Solution

The fourth proportional to 84,915.96, 116,981.49 and 59,374.53 is: 81,795.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,915.96 : 116,981.49 = 59,374.53 : x
  2. Step 2: Convert to fraction form
    84,915.96/116,981.49 = 59,374.53/x
  3. Step 3: Cross multiply
    84,915.96x = 116,981.49 × 59,374.53
  4. Step 4: Simplify right side
    84,915.96x = 6,945,721,279.90
  5. Step 5: Solve for x
    x = 6,945,721,279.90/84,915.96
  6. Step 6: Final answer
    x = 81,795.24

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1.5x scale

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.