Home / 102,115.74-140,898.89-59,666.06

Finding the Fourth Proportional to 102,115.74, 140,898.89 and 59,666.06

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Solution

The fourth proportional to 102,115.74, 140,898.89 and 59,666.06 is: 82,326.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,115.74 : 140,898.89 = 59,666.06 : x
  2. Step 2: Convert to fraction form
    102,115.74/140,898.89 = 59,666.06/x
  3. Step 3: Cross multiply
    102,115.74x = 140,898.89 × 59,666.06
  4. Step 4: Simplify right side
    102,115.74x = 8,406,881,624.67
  5. Step 5: Solve for x
    x = 8,406,881,624.67/102,115.74
  6. Step 6: Final answer
    x = 82,326.99

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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.