Home / 74,386.04-102,655.10-40,852.04

Finding the Fourth Proportional to 74,386.04, 102,655.10 and 40,852.04

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Solution

The fourth proportional to 74,386.04, 102,655.10 and 40,852.04 is: 56,377.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,386.04 : 102,655.10 = 40,852.04 : x
  2. Step 2: Convert to fraction form
    74,386.04/102,655.10 = 40,852.04/x
  3. Step 3: Cross multiply
    74,386.04x = 102,655.10 × 40,852.04
  4. Step 4: Simplify right side
    74,386.04x = 4,193,670,251.40
  5. Step 5: Solve for x
    x = 4,193,670,251.40/74,386.04
  6. Step 6: Final answer
    x = 56,377.11

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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.