Home / 98,088.96-147,148.08-45,503.76

Finding the Fourth Proportional to 98,088.96, 147,148.08 and 45,503.76

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Solution

The fourth proportional to 98,088.96, 147,148.08 and 45,503.76 is: 68,262.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,088.96 : 147,148.08 = 45,503.76 : x
  2. Step 2: Convert to fraction form
    98,088.96/147,148.08 = 45,503.76/x
  3. Step 3: Cross multiply
    98,088.96x = 147,148.08 × 45,503.76
  4. Step 4: Simplify right side
    98,088.96x = 6,695,790,916.78
  5. Step 5: Solve for x
    x = 6,695,790,916.78/98,088.96
  6. Step 6: Final answer
    x = 68,262.43

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1.5x scale

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.