Home / 74,327.45-102,588.12-47,085.93

Finding the Fourth Proportional to 74,327.45, 102,588.12 and 47,085.93

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Solution

The fourth proportional to 74,327.45, 102,588.12 and 47,085.93 is: 64,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,327.45 : 102,588.12 = 47,085.93 : x
  2. Step 2: Convert to fraction form
    74,327.45/102,588.12 = 47,085.93/x
  3. Step 3: Cross multiply
    74,327.45x = 102,588.12 × 47,085.93
  4. Step 4: Simplify right side
    74,327.45x = 4,830,457,037.15
  5. Step 5: Solve for x
    x = 4,830,457,037.15/74,327.45
  6. Step 6: Final answer
    x = 64,988.88

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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.