Home / 112,717.36-155,554.64-62,416.36

Finding the Fourth Proportional to 112,717.36, 155,554.64 and 62,416.36

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Solution

The fourth proportional to 112,717.36, 155,554.64 and 62,416.36 is: 86,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,717.36 : 155,554.64 = 62,416.36 : x
  2. Step 2: Convert to fraction form
    112,717.36/155,554.64 = 62,416.36/x
  3. Step 3: Cross multiply
    112,717.36x = 155,554.64 × 62,416.36
  4. Step 4: Simplify right side
    112,717.36x = 9,709,154,409.91
  5. Step 5: Solve for x
    x = 9,709,154,409.91/112,717.36
  6. Step 6: Final answer
    x = 86,137.17

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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.