Home / 102,870.17-141,975.95-62,576.11

Finding the Fourth Proportional to 102,870.17, 141,975.95 and 62,576.11

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Solution

The fourth proportional to 102,870.17, 141,975.95 and 62,576.11 is: 86,364.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,870.17 : 141,975.95 = 62,576.11 : x
  2. Step 2: Convert to fraction form
    102,870.17/141,975.95 = 62,576.11/x
  3. Step 3: Cross multiply
    102,870.17x = 141,975.95 × 62,576.11
  4. Step 4: Simplify right side
    102,870.17x = 8,884,302,664.55
  5. Step 5: Solve for x
    x = 8,884,302,664.55/102,870.17
  6. Step 6: Final answer
    x = 86,364.23

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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.