Home / 74,325.40-102,544.20-42,055.52

Finding the Fourth Proportional to 74,325.40, 102,544.20 and 42,055.52

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Solution

The fourth proportional to 74,325.40, 102,544.20 and 42,055.52 is: 58,022.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,325.40 : 102,544.20 = 42,055.52 : x
  2. Step 2: Convert to fraction form
    74,325.40/102,544.20 = 42,055.52/x
  3. Step 3: Cross multiply
    74,325.40x = 102,544.20 × 42,055.52
  4. Step 4: Simplify right side
    74,325.40x = 4,312,549,141.26
  5. Step 5: Solve for x
    x = 4,312,549,141.26/74,325.40
  6. Step 6: Final answer
    x = 58,022.55

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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.