Home / 65,555.24-98,258.51-57,642.48

Finding the Fourth Proportional to 65,555.24, 98,258.51 and 57,642.48

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Solution

The fourth proportional to 65,555.24, 98,258.51 and 57,642.48 is: 86,398.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,555.24 : 98,258.51 = 57,642.48 : x
  2. Step 2: Convert to fraction form
    65,555.24/98,258.51 = 57,642.48/x
  3. Step 3: Cross multiply
    65,555.24x = 98,258.51 × 57,642.48
  4. Step 4: Simplify right side
    65,555.24x = 5,663,864,341.61
  5. Step 5: Solve for x
    x = 5,663,864,341.61/65,555.24
  6. Step 6: Final answer
    x = 86,398.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.