Home / 98,242.18-147,258.34-56,031.37

Finding the Fourth Proportional to 98,242.18, 147,258.34 and 56,031.37

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Solution

The fourth proportional to 98,242.18, 147,258.34 and 56,031.37 is: 83,987.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,242.18 : 147,258.34 = 56,031.37 : x
  2. Step 2: Convert to fraction form
    98,242.18/147,258.34 = 56,031.37/x
  3. Step 3: Cross multiply
    98,242.18x = 147,258.34 × 56,031.37
  4. Step 4: Simplify right side
    98,242.18x = 8,251,086,534.13
  5. Step 5: Solve for x
    x = 8,251,086,534.13/98,242.18
  6. Step 6: Final answer
    x = 83,987.21

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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.