Home / 71,920.18-99,232.59-46,421.15

Finding the Fourth Proportional to 71,920.18, 99,232.59 and 46,421.15

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Solution

The fourth proportional to 71,920.18, 99,232.59 and 46,421.15 is: 64,050.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,920.18 : 99,232.59 = 46,421.15 : x
  2. Step 2: Convert to fraction form
    71,920.18/99,232.59 = 46,421.15/x
  3. Step 3: Cross multiply
    71,920.18x = 99,232.59 × 46,421.15
  4. Step 4: Simplify right side
    71,920.18x = 4,606,490,449.12
  5. Step 5: Solve for x
    x = 4,606,490,449.12/71,920.18
  6. Step 6: Final answer
    x = 64,050.04

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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.