Home / 58,971.16-88,415.02-18,977.75

Finding the Fourth Proportional to 58,971.16, 88,415.02 and 18,977.75

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Solution

The fourth proportional to 58,971.16, 88,415.02 and 18,977.75 is: 28,453.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,971.16 : 88,415.02 = 18,977.75 : x
  2. Step 2: Convert to fraction form
    58,971.16/88,415.02 = 18,977.75/x
  3. Step 3: Cross multiply
    58,971.16x = 88,415.02 × 18,977.75
  4. Step 4: Simplify right side
    58,971.16x = 1,677,918,145.81
  5. Step 5: Solve for x
    x = 1,677,918,145.81/58,971.16
  6. Step 6: Final answer
    x = 28,453.20

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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.