Home / 74,535.48-102,877.23-42,288.98

Finding the Fourth Proportional to 74,535.48, 102,877.23 and 42,288.98

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Solution

The fourth proportional to 74,535.48, 102,877.23 and 42,288.98 is: 58,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,535.48 : 102,877.23 = 42,288.98 : x
  2. Step 2: Convert to fraction form
    74,535.48/102,877.23 = 42,288.98/x
  3. Step 3: Cross multiply
    74,535.48x = 102,877.23 × 42,288.98
  4. Step 4: Simplify right side
    74,535.48x = 4,350,572,607.54
  5. Step 5: Solve for x
    x = 4,350,572,607.54/74,535.48
  6. Step 6: Final answer
    x = 58,369.15

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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.