Home / 64,890.90-97,336.35-59,642.10

Finding the Fourth Proportional to 64,890.90, 97,336.35 and 59,642.10

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Solution

The fourth proportional to 64,890.90, 97,336.35 and 59,642.10 is: 89,463.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,890.90 : 97,336.35 = 59,642.10 : x
  2. Step 2: Convert to fraction form
    64,890.90/97,336.35 = 59,642.10/x
  3. Step 3: Cross multiply
    64,890.90x = 97,336.35 × 59,642.10
  4. Step 4: Simplify right side
    64,890.90x = 5,805,344,320.34
  5. Step 5: Solve for x
    x = 5,805,344,320.34/64,890.90
  6. Step 6: Final answer
    x = 89,463.15

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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.