Home / 68,123.47-102,192.18-26,038.98

Finding the Fourth Proportional to 68,123.47, 102,192.18 and 26,038.98

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Solution

The fourth proportional to 68,123.47, 102,192.18 and 26,038.98 is: 39,061.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,123.47 : 102,192.18 = 26,038.98 : x
  2. Step 2: Convert to fraction form
    68,123.47/102,192.18 = 26,038.98/x
  3. Step 3: Cross multiply
    68,123.47x = 102,192.18 × 26,038.98
  4. Step 4: Simplify right side
    68,123.47x = 2,660,979,490.02
  5. Step 5: Solve for x
    x = 2,660,979,490.02/68,123.47
  6. Step 6: Final answer
    x = 39,061.13

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1.5x scale

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.