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Finding the Fourth Proportional to 64,941.80, 97,412.70 and 57,724.70

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Solution

The fourth proportional to 64,941.80, 97,412.70 and 57,724.70 is: 86,587.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,941.80 : 97,412.70 = 57,724.70 : x
  2. Step 2: Convert to fraction form
    64,941.80/97,412.70 = 57,724.70/x
  3. Step 3: Cross multiply
    64,941.80x = 97,412.70 × 57,724.70
  4. Step 4: Simplify right side
    64,941.80x = 5,623,118,883.69
  5. Step 5: Solve for x
    x = 5,623,118,883.69/64,941.80
  6. Step 6: Final answer
    x = 86,587.05

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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.