Home / 71,920.68-99,233.28-46,421.65

Finding the Fourth Proportional to 71,920.68, 99,233.28 and 46,421.65

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Solution

The fourth proportional to 71,920.68, 99,233.28 and 46,421.65 is: 64,050.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,920.68 : 99,233.28 = 46,421.65 : x
  2. Step 2: Convert to fraction form
    71,920.68/99,233.28 = 46,421.65/x
  3. Step 3: Cross multiply
    71,920.68x = 99,233.28 × 46,421.65
  4. Step 4: Simplify right side
    71,920.68x = 4,606,572,592.51
  5. Step 5: Solve for x
    x = 4,606,572,592.51/71,920.68
  6. Step 6: Final answer
    x = 64,050.74

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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.