Home / 74,929.34-111,847.40-65,470.74

Finding the Fourth Proportional to 74,929.34, 111,847.40 and 65,470.74

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Solution

The fourth proportional to 74,929.34, 111,847.40 and 65,470.74 is: 97,728.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,929.34 : 111,847.40 = 65,470.74 : x
  2. Step 2: Convert to fraction form
    74,929.34/111,847.40 = 65,470.74/x
  3. Step 3: Cross multiply
    74,929.34x = 111,847.40 × 65,470.74
  4. Step 4: Simplify right side
    74,929.34x = 7,322,732,045.08
  5. Step 5: Solve for x
    x = 7,322,732,045.08/74,929.34
  6. Step 6: Final answer
    x = 97,728.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.