Home / 74,066.40-111,050.46-40,802.40

Finding the Fourth Proportional to 74,066.40, 111,050.46 and 40,802.40

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Solution

The fourth proportional to 74,066.40, 111,050.46 and 40,802.40 is: 61,176.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,066.40 : 111,050.46 = 40,802.40 : x
  2. Step 2: Convert to fraction form
    74,066.40/111,050.46 = 40,802.40/x
  3. Step 3: Cross multiply
    74,066.40x = 111,050.46 × 40,802.40
  4. Step 4: Simplify right side
    74,066.40x = 4,531,125,289.10
  5. Step 5: Solve for x
    x = 4,531,125,289.10/74,066.40
  6. Step 6: Final answer
    x = 61,176.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.