Home / 74,355.12-102,606.48-42,527.52

Finding the Fourth Proportional to 74,355.12, 102,606.48 and 42,527.52

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Solution

The fourth proportional to 74,355.12, 102,606.48 and 42,527.52 is: 58,685.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,355.12 : 102,606.48 = 42,527.52 : x
  2. Step 2: Convert to fraction form
    74,355.12/102,606.48 = 42,527.52/x
  3. Step 3: Cross multiply
    74,355.12x = 102,606.48 × 42,527.52
  4. Step 4: Simplify right side
    74,355.12x = 4,363,599,130.33
  5. Step 5: Solve for x
    x = 4,363,599,130.33/74,355.12
  6. Step 6: Final answer
    x = 58,685.93

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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.