Home / 92,929.52-128,263.11-61,101.38

Finding the Fourth Proportional to 92,929.52, 128,263.11 and 61,101.38

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Solution

The fourth proportional to 92,929.52, 128,263.11 and 61,101.38 is: 84,333.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,929.52 : 128,263.11 = 61,101.38 : x
  2. Step 2: Convert to fraction form
    92,929.52/128,263.11 = 61,101.38/x
  3. Step 3: Cross multiply
    92,929.52x = 128,263.11 × 61,101.38
  4. Step 4: Simplify right side
    92,929.52x = 7,837,053,024.09
  5. Step 5: Solve for x
    x = 7,837,053,024.09/92,929.52
  6. Step 6: Final answer
    x = 84,333.30

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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.