Home / 92,890.49-128,190.35-52,603.16

Finding the Fourth Proportional to 92,890.49, 128,190.35 and 52,603.16

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Solution

The fourth proportional to 92,890.49, 128,190.35 and 52,603.16 is: 72,593.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,890.49 : 128,190.35 = 52,603.16 : x
  2. Step 2: Convert to fraction form
    92,890.49/128,190.35 = 52,603.16/x
  3. Step 3: Cross multiply
    92,890.49x = 128,190.35 × 52,603.16
  4. Step 4: Simplify right side
    92,890.49x = 6,743,217,228.49
  5. Step 5: Solve for x
    x = 6,743,217,228.49/92,890.49
  6. Step 6: Final answer
    x = 72,593.19

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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.