Home / 92,899.13-128,196.50-52,613.18

Finding the Fourth Proportional to 92,899.13, 128,196.50 and 52,613.18

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Solution

The fourth proportional to 92,899.13, 128,196.50 and 52,613.18 is: 72,603.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,899.13 : 128,196.50 = 52,613.18 : x
  2. Step 2: Convert to fraction form
    92,899.13/128,196.50 = 52,613.18/x
  3. Step 3: Cross multiply
    92,899.13x = 128,196.50 × 52,613.18
  4. Step 4: Simplify right side
    92,899.13x = 6,744,825,529.87
  5. Step 5: Solve for x
    x = 6,744,825,529.87/92,899.13
  6. Step 6: Final answer
    x = 72,603.75

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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.