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Finding the Fourth Proportional to 71,049.49, 98,064.74 and 46,854.81

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Solution

The fourth proportional to 71,049.49, 98,064.74 and 46,854.81 is: 64,670.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,049.49 : 98,064.74 = 46,854.81 : x
  2. Step 2: Convert to fraction form
    71,049.49/98,064.74 = 46,854.81/x
  3. Step 3: Cross multiply
    71,049.49x = 98,064.74 × 46,854.81
  4. Step 4: Simplify right side
    71,049.49x = 4,594,804,877.54
  5. Step 5: Solve for x
    x = 4,594,804,877.54/71,049.49
  6. Step 6: Final answer
    x = 64,670.49

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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.