Home / 59,973.51-89,951.01-20,521.55

Finding the Fourth Proportional to 59,973.51, 89,951.01 and 20,521.55

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Solution

The fourth proportional to 59,973.51, 89,951.01 and 20,521.55 is: 30,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,973.51 : 89,951.01 = 20,521.55 : x
  2. Step 2: Convert to fraction form
    59,973.51/89,951.01 = 20,521.55/x
  3. Step 3: Cross multiply
    59,973.51x = 89,951.01 × 20,521.55
  4. Step 4: Simplify right side
    59,973.51x = 1,845,934,297.19
  5. Step 5: Solve for x
    x = 1,845,934,297.19/59,973.51
  6. Step 6: Final answer
    x = 30,779.16

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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.