Home / 92,911.90-128,207.00-56,600.17

Finding the Fourth Proportional to 92,911.90, 128,207.00 and 56,600.17

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Solution

The fourth proportional to 92,911.90, 128,207.00 and 56,600.17 is: 78,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,911.90 : 128,207.00 = 56,600.17 : x
  2. Step 2: Convert to fraction form
    92,911.90/128,207.00 = 56,600.17/x
  3. Step 3: Cross multiply
    92,911.90x = 128,207.00 × 56,600.17
  4. Step 4: Simplify right side
    92,911.90x = 7,256,537,712.19
  5. Step 5: Solve for x
    x = 7,256,537,712.19/92,911.90
  6. Step 6: Final answer
    x = 78,101.27

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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.