Home / 103,440.14-154,854.01-63,870.02

Finding the Fourth Proportional to 103,440.14, 154,854.01 and 63,870.02

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Solution

The fourth proportional to 103,440.14, 154,854.01 and 63,870.02 is: 95,615.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,440.14 : 154,854.01 = 63,870.02 : x
  2. Step 2: Convert to fraction form
    103,440.14/154,854.01 = 63,870.02/x
  3. Step 3: Cross multiply
    103,440.14x = 154,854.01 × 63,870.02
  4. Step 4: Simplify right side
    103,440.14x = 9,890,528,715.78
  5. Step 5: Solve for x
    x = 9,890,528,715.78/103,440.14
  6. Step 6: Final answer
    x = 95,615.96

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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.