Home / 49,417.29-68,128.08-31,258.98

Finding the Fourth Proportional to 49,417.29, 68,128.08 and 31,258.98

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Solution

The fourth proportional to 49,417.29, 68,128.08 and 31,258.98 is: 43,094.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,417.29 : 68,128.08 = 31,258.98 : x
  2. Step 2: Convert to fraction form
    49,417.29/68,128.08 = 31,258.98/x
  3. Step 3: Cross multiply
    49,417.29x = 68,128.08 × 31,258.98
  4. Step 4: Simplify right side
    49,417.29x = 2,129,614,545.64
  5. Step 5: Solve for x
    x = 2,129,614,545.64/49,417.29
  6. Step 6: Final answer
    x = 43,094.52

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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.