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Finding the Fourth Proportional to 62,447.20, 93,670.80 and 46,700.80

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Solution

The fourth proportional to 62,447.20, 93,670.80 and 46,700.80 is: 70,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,447.20 : 93,670.80 = 46,700.80 : x
  2. Step 2: Convert to fraction form
    62,447.20/93,670.80 = 46,700.80/x
  3. Step 3: Cross multiply
    62,447.20x = 93,670.80 × 46,700.80
  4. Step 4: Simplify right side
    62,447.20x = 4,374,501,296.64
  5. Step 5: Solve for x
    x = 4,374,501,296.64/62,447.20
  6. Step 6: Final answer
    x = 70,051.20

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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.