Home / 67,220.19-92,755.40-38,925.63

Finding the Fourth Proportional to 67,220.19, 92,755.40 and 38,925.63

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Solution

The fourth proportional to 67,220.19, 92,755.40 and 38,925.63 is: 53,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,220.19 : 92,755.40 = 38,925.63 : x
  2. Step 2: Convert to fraction form
    67,220.19/92,755.40 = 38,925.63/x
  3. Step 3: Cross multiply
    67,220.19x = 92,755.40 × 38,925.63
  4. Step 4: Simplify right side
    67,220.19x = 3,610,562,186.27
  5. Step 5: Solve for x
    x = 3,610,562,186.27/67,220.19
  6. Step 6: Final answer
    x = 53,712.47

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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.