Home / 99,416.95-149,125.43-28,341.07

Finding the Fourth Proportional to 99,416.95, 149,125.43 and 28,341.07

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Solution

The fourth proportional to 99,416.95, 149,125.43 and 28,341.07 is: 42,511.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,416.95 : 149,125.43 = 28,341.07 : x
  2. Step 2: Convert to fraction form
    99,416.95/149,125.43 = 28,341.07/x
  3. Step 3: Cross multiply
    99,416.95x = 149,125.43 × 28,341.07
  4. Step 4: Simplify right side
    99,416.95x = 4,226,373,948.45
  5. Step 5: Solve for x
    x = 4,226,373,948.45/99,416.95
  6. Step 6: Final answer
    x = 42,511.60

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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.