Home / 74,984.50-112,532.40-35,541.70

Finding the Fourth Proportional to 74,984.50, 112,532.40 and 35,541.70

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Solution

The fourth proportional to 74,984.50, 112,532.40 and 35,541.70 is: 53,338.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,984.50 : 112,532.40 = 35,541.70 : x
  2. Step 2: Convert to fraction form
    74,984.50/112,532.40 = 35,541.70/x
  3. Step 3: Cross multiply
    74,984.50x = 112,532.40 × 35,541.70
  4. Step 4: Simplify right side
    74,984.50x = 3,999,592,801.08
  5. Step 5: Solve for x
    x = 3,999,592,801.08/74,984.50
  6. Step 6: Final answer
    x = 53,338.93

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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.