Home / 97,737.36-134,878.14-55,304.76

Finding the Fourth Proportional to 97,737.36, 134,878.14 and 55,304.76

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Solution

The fourth proportional to 97,737.36, 134,878.14 and 55,304.76 is: 76,320.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,737.36 : 134,878.14 = 55,304.76 : x
  2. Step 2: Convert to fraction form
    97,737.36/134,878.14 = 55,304.76/x
  3. Step 3: Cross multiply
    97,737.36x = 134,878.14 × 55,304.76
  4. Step 4: Simplify right side
    97,737.36x = 7,459,403,161.95
  5. Step 5: Solve for x
    x = 7,459,403,161.95/97,737.36
  6. Step 6: Final answer
    x = 76,320.90

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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.