Home / 77,476.41-106,920.95-60,680.25

Finding the Fourth Proportional to 77,476.41, 106,920.95 and 60,680.25

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Solution

The fourth proportional to 77,476.41, 106,920.95 and 60,680.25 is: 83,741.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,476.41 : 106,920.95 = 60,680.25 : x
  2. Step 2: Convert to fraction form
    77,476.41/106,920.95 = 60,680.25/x
  3. Step 3: Cross multiply
    77,476.41x = 106,920.95 × 60,680.25
  4. Step 4: Simplify right side
    77,476.41x = 6,487,989,672.84
  5. Step 5: Solve for x
    x = 6,487,989,672.84/77,476.41
  6. Step 6: Final answer
    x = 83,741.49

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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.