Home / 112,634.04-155,433.63-61,646.27

Finding the Fourth Proportional to 112,634.04, 155,433.63 and 61,646.27

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Solution

The fourth proportional to 112,634.04, 155,433.63 and 61,646.27 is: 85,071.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,634.04 : 155,433.63 = 61,646.27 : x
  2. Step 2: Convert to fraction form
    112,634.04/155,433.63 = 61,646.27/x
  3. Step 3: Cross multiply
    112,634.04x = 155,433.63 × 61,646.27
  4. Step 4: Simplify right side
    112,634.04x = 9,581,902,976.07
  5. Step 5: Solve for x
    x = 9,581,902,976.07/112,634.04
  6. Step 6: Final answer
    x = 85,071.11

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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.