Home / 112,436.48-155,159.68-61,446.96

Finding the Fourth Proportional to 112,436.48, 155,159.68 and 61,446.96

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Solution

The fourth proportional to 112,436.48, 155,159.68 and 61,446.96 is: 84,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,436.48 : 155,159.68 = 61,446.96 : x
  2. Step 2: Convert to fraction form
    112,436.48/155,159.68 = 61,446.96/x
  3. Step 3: Cross multiply
    112,436.48x = 155,159.68 × 61,446.96
  4. Step 4: Simplify right side
    112,436.48x = 9,534,090,650.57
  5. Step 5: Solve for x
    x = 9,534,090,650.57/112,436.48
  6. Step 6: Final answer
    x = 84,795.35

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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.