Home / 98,742.41-148,196.55-42,624.90

Finding the Fourth Proportional to 98,742.41, 148,196.55 and 42,624.90

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Solution

The fourth proportional to 98,742.41, 148,196.55 and 42,624.90 is: 63,973.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,742.41 : 148,196.55 = 42,624.90 : x
  2. Step 2: Convert to fraction form
    98,742.41/148,196.55 = 42,624.90/x
  3. Step 3: Cross multiply
    98,742.41x = 148,196.55 × 42,624.90
  4. Step 4: Simplify right side
    98,742.41x = 6,316,863,124.10
  5. Step 5: Solve for x
    x = 6,316,863,124.10/98,742.41
  6. Step 6: Final answer
    x = 63,973.15

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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.