Home / 61,613.40-85,055.16-36,116.22

Finding the Fourth Proportional to 61,613.40, 85,055.16 and 36,116.22

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Solution

The fourth proportional to 61,613.40, 85,055.16 and 36,116.22 is: 49,857.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,613.40 : 85,055.16 = 36,116.22 : x
  2. Step 2: Convert to fraction form
    61,613.40/85,055.16 = 36,116.22/x
  3. Step 3: Cross multiply
    61,613.40x = 85,055.16 × 36,116.22
  4. Step 4: Simplify right side
    61,613.40x = 3,071,870,870.70
  5. Step 5: Solve for x
    x = 3,071,870,870.70/61,613.40
  6. Step 6: Final answer
    x = 49,857.19

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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.