Home / 98,708.88-136,186.98-60,428.40

Finding the Fourth Proportional to 98,708.88, 136,186.98 and 60,428.40

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Solution

The fourth proportional to 98,708.88, 136,186.98 and 60,428.40 is: 83,372.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,708.88 : 136,186.98 = 60,428.40 : x
  2. Step 2: Convert to fraction form
    98,708.88/136,186.98 = 60,428.40/x
  3. Step 3: Cross multiply
    98,708.88x = 136,186.98 × 60,428.40
  4. Step 4: Simplify right side
    98,708.88x = 8,229,561,302.23
  5. Step 5: Solve for x
    x = 8,229,561,302.23/98,708.88
  6. Step 6: Final answer
    x = 83,372.05

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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.