Home / 102,539.11-141,507.35-59,515.36

Finding the Fourth Proportional to 102,539.11, 141,507.35 and 59,515.36

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Solution

The fourth proportional to 102,539.11, 141,507.35 and 59,515.36 is: 82,133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,539.11 : 141,507.35 = 59,515.36 : x
  2. Step 2: Convert to fraction form
    102,539.11/141,507.35 = 59,515.36/x
  3. Step 3: Cross multiply
    102,539.11x = 141,507.35 × 59,515.36
  4. Step 4: Simplify right side
    102,539.11x = 8,421,860,877.90
  5. Step 5: Solve for x
    x = 8,421,860,877.90/102,539.11
  6. Step 6: Final answer
    x = 82,133.16

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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.