Home / 98,899.96-148,315.02-42,737.80

Finding the Fourth Proportional to 98,899.96, 148,315.02 and 42,737.80

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Solution

The fourth proportional to 98,899.96, 148,315.02 and 42,737.80 is: 64,091.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,899.96 : 148,315.02 = 42,737.80 : x
  2. Step 2: Convert to fraction form
    98,899.96/148,315.02 = 42,737.80/x
  3. Step 3: Cross multiply
    98,899.96x = 148,315.02 × 42,737.80
  4. Step 4: Simplify right side
    98,899.96x = 6,338,657,661.76
  5. Step 5: Solve for x
    x = 6,338,657,661.76/98,899.96
  6. Step 6: Final answer
    x = 64,091.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.