Home / 84,718.08-116,898.56-48,902.40

Finding the Fourth Proportional to 84,718.08, 116,898.56 and 48,902.40

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Solution

The fourth proportional to 84,718.08, 116,898.56 and 48,902.40 is: 67,478.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,718.08 : 116,898.56 = 48,902.40 : x
  2. Step 2: Convert to fraction form
    84,718.08/116,898.56 = 48,902.40/x
  3. Step 3: Cross multiply
    84,718.08x = 116,898.56 × 48,902.40
  4. Step 4: Simplify right side
    84,718.08x = 5,716,620,140.54
  5. Step 5: Solve for x
    x = 5,716,620,140.54/84,718.08
  6. Step 6: Final answer
    x = 67,478.16

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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.