Home / 74,360.40-102,592.38-42,506.76

Finding the Fourth Proportional to 74,360.40, 102,592.38 and 42,506.76

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Solution

The fourth proportional to 74,360.40, 102,592.38 and 42,506.76 is: 58,645.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,360.40 : 102,592.38 = 42,506.76 : x
  2. Step 2: Convert to fraction form
    74,360.40/102,592.38 = 42,506.76/x
  3. Step 3: Cross multiply
    74,360.40x = 102,592.38 × 42,506.76
  4. Step 4: Simplify right side
    74,360.40x = 4,360,869,674.49
  5. Step 5: Solve for x
    x = 4,360,869,674.49/74,360.40
  6. Step 6: Final answer
    x = 58,645.05

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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.