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Finding the Fourth Proportional to 64,991.66, 97,526.33 and 59,703.98

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Solution

The fourth proportional to 64,991.66, 97,526.33 and 59,703.98 is: 89,591.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,991.66 : 97,526.33 = 59,703.98 : x
  2. Step 2: Convert to fraction form
    64,991.66/97,526.33 = 59,703.98/x
  3. Step 3: Cross multiply
    64,991.66x = 97,526.33 × 59,703.98
  4. Step 4: Simplify right side
    64,991.66x = 5,822,710,055.79
  5. Step 5: Solve for x
    x = 5,822,710,055.79/64,991.66
  6. Step 6: Final answer
    x = 89,591.65

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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.