Home / 74,708.02-103,094.43-40,715.83

Finding the Fourth Proportional to 74,708.02, 103,094.43 and 40,715.83

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Solution

The fourth proportional to 74,708.02, 103,094.43 and 40,715.83 is: 56,186.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,708.02 : 103,094.43 = 40,715.83 : x
  2. Step 2: Convert to fraction form
    74,708.02/103,094.43 = 40,715.83/x
  3. Step 3: Cross multiply
    74,708.02x = 103,094.43 × 40,715.83
  4. Step 4: Simplify right side
    74,708.02x = 4,197,574,770.35
  5. Step 5: Solve for x
    x = 4,197,574,770.35/74,708.02
  6. Step 6: Final answer
    x = 56,186.40

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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.