Home / 88,146.84-121,582.50-56,301.48

Finding the Fourth Proportional to 88,146.84, 121,582.50 and 56,301.48

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Solution

The fourth proportional to 88,146.84, 121,582.50 and 56,301.48 is: 77,657.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,146.84 : 121,582.50 = 56,301.48 : x
  2. Step 2: Convert to fraction form
    88,146.84/121,582.50 = 56,301.48/x
  3. Step 3: Cross multiply
    88,146.84x = 121,582.50 × 56,301.48
  4. Step 4: Simplify right side
    88,146.84x = 6,845,274,692.10
  5. Step 5: Solve for x
    x = 6,845,274,692.10/88,146.84
  6. Step 6: Final answer
    x = 77,657.63

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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.