Home / 66,392.09-99,587.77-38,293.93

Finding the Fourth Proportional to 66,392.09, 99,587.77 and 38,293.93

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Solution

The fourth proportional to 66,392.09, 99,587.77 and 38,293.93 is: 57,440.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,392.09 : 99,587.77 = 38,293.93 : x
  2. Step 2: Convert to fraction form
    66,392.09/99,587.77 = 38,293.93/x
  3. Step 3: Cross multiply
    66,392.09x = 99,587.77 × 38,293.93
  4. Step 4: Simplify right side
    66,392.09x = 3,813,606,748.53
  5. Step 5: Solve for x
    x = 3,813,606,748.53/66,392.09
  6. Step 6: Final answer
    x = 57,440.68

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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.