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Finding the Fourth Proportional to 64,279.02, 88,700.11 and 35,980.86

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Solution

The fourth proportional to 64,279.02, 88,700.11 and 35,980.86 is: 49,650.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,279.02 : 88,700.11 = 35,980.86 : x
  2. Step 2: Convert to fraction form
    64,279.02/88,700.11 = 35,980.86/x
  3. Step 3: Cross multiply
    64,279.02x = 88,700.11 × 35,980.86
  4. Step 4: Simplify right side
    64,279.02x = 3,191,506,239.89
  5. Step 5: Solve for x
    x = 3,191,506,239.89/64,279.02
  6. Step 6: Final answer
    x = 49,650.82

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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.