Home / 112,410.36-155,125.98-62,109

Finding the Fourth Proportional to 112,410.36, 155,125.98 and 62,109

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Solution

The fourth proportional to 112,410.36, 155,125.98 and 62,109 is: 85,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,410.36 : 155,125.98 = 62,109 : x
  2. Step 2: Convert to fraction form
    112,410.36/155,125.98 = 62,109/x
  3. Step 3: Cross multiply
    112,410.36x = 155,125.98 × 62,109
  4. Step 4: Simplify right side
    112,410.36x = 9,634,719,491.82
  5. Step 5: Solve for x
    x = 9,634,719,491.82/112,410.36
  6. Step 6: Final answer
    x = 85,710.24

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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.